199887660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:333

約数の個数: 216

約数和(自身を含む): 714810096

約数和(自身を除く): 514922436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 131, 140, 147, 173, 180, 196, 210, 245, 252, 262, 294, 315, 346, 393, 420, 441, 490, 519, 524, 588, 630, 655, 692, 735, 786, 865, 882, 917, 980, 1038, 1179, 1211, 1260, 1310, 1470, 1557, 1572, 1730, 1764, 1834, 1965, 2076, 2205, 2358, 2422, 2595, 2620, 2751, 2940, 3114, 3460, 3633, 3668, 3930, 4410, 4585, 4716, 4844, 5190, 5502, 5895, 6055, 6228, 6419, 7266, 7785, 7860, 8253, 8477, 8820, 9170, 10380, 10899, 11004, 11790, 12110, 12838, 13755, 14532, 15570, 16506, 16954, 18165, 18340, 19257, 21798, 22663, 23580, 24220, 25431, 25676, 27510, 31140, 32095, 33012, 33908, 36330, 38514, 41265, 42385, 43596, 45326, 50862, 54495, 55020, 57771, 64190, 67989, 72660, 76293, 77028, 82530, 84770, 90652, 96285, 101724, 108990, 113315, 115542, 127155, 128380, 135978, 152586, 158641, 165060, 169540, 192570, 203967, 217980, 226630, 231084, 254310, 271956, 288855, 305172, 317282, 339945, 381465, 385140, 407934, 453260, 475923, 508620, 577710, 634564, 679890, 762930, 793205, 815868, 951846, 1019835, 1110487, 1155420, 1359780, 1427769, 1525860, 1586410, 1903692, 2039670, 2220974, 2379615, 2855538, 3172820, 3331461, 4079340, 4441948, 4759230, 5552435, 5711076, 6662922, 7138845, 9518460, 9994383, 11104870, 13325844, 14277690, 16657305, 19988766, 22209740, 28555380, 33314610, 39977532, 49971915, 66629220, 99943830, 199887660]

約数ペア:

[(1, 199887660), (2, 99943830), (3, 66629220), (4, 49971915), (5, 39977532), (6, 33314610), (7, 28555380), (9, 22209740), (10, 19988766), (12, 16657305), (14, 14277690), (15, 13325844), (18, 11104870), (20, 9994383), (21, 9518460), (28, 7138845), (30, 6662922), (35, 5711076), (36, 5552435), (42, 4759230), (45, 4441948), (49, 4079340), (60, 3331461), (63, 3172820), (70, 2855538), (84, 2379615), (90, 2220974), (98, 2039670), (105, 1903692), (126, 1586410), (131, 1525860), (140, 1427769), (147, 1359780), (173, 1155420), (180, 1110487), (196, 1019835), (210, 951846), (245, 815868), (252, 793205), (262, 762930), (294, 679890), (315, 634564), (346, 577710), (393, 508620), (420, 475923), (441, 453260), (490, 407934), (519, 385140), (524, 381465), (588, 339945), (630, 317282), (655, 305172), (692, 288855), (735, 271956), (786, 254310), (865, 231084), (882, 226630), (917, 217980), (980, 203967), (1038, 192570), (1179, 169540), (1211, 165060), (1260, 158641), (1310, 152586), (1470, 135978), (1557, 128380), (1572, 127155), (1730, 115542), (1764, 113315), (1834, 108990), (1965, 101724), (2076, 96285), (2205, 90652), (2358, 84770), (2422, 82530), (2595, 77028), (2620, 76293), (2751, 72660), (2940, 67989), (3114, 64190), (3460, 57771), (3633, 55020), (3668, 54495), (3930, 50862), (4410, 45326), (4585, 43596), (4716, 42385), (4844, 41265), (5190, 38514), (5502, 36330), (5895, 33908), (6055, 33012), (6228, 32095), (6419, 31140), (7266, 27510), (7785, 25676), (7860, 25431), (8253, 24220), (8477, 23580), (8820, 22663), (9170, 21798), (10380, 19257), (10899, 18340), (11004, 18165), (11790, 16954), (12110, 16506), (12838, 15570), (13755, 14532)]