199875780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 657536880

約数和(自身を除く): 457661100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 229, 234, 260, 373, 390, 458, 468, 585, 687, 746, 780, 916, 1119, 1145, 1170, 1374, 1492, 1865, 2061, 2238, 2290, 2340, 2748, 2977, 3357, 3435, 3730, 4122, 4476, 4580, 4849, 5595, 5954, 6714, 6870, 7460, 8244, 8931, 9698, 10305, 11190, 11908, 13428, 13740, 14547, 14885, 16785, 17862, 19396, 20610, 22380, 24245, 26793, 29094, 29770, 33570, 35724, 41220, 43641, 44655, 48490, 53586, 58188, 59540, 67140, 72735, 85417, 87282, 89310, 96980, 107172, 133965, 145470, 170834, 174564, 178620, 218205, 256251, 267930, 290940, 341668, 427085, 436410, 512502, 535860, 768753, 854170, 872820, 1025004, 1110421, 1281255, 1537506, 1708340, 2220842, 2562510, 3075012, 3331263, 3843765, 4441684, 5125020, 5552105, 6662526, 7687530, 9993789, 11104210, 13325052, 15375060, 16656315, 19987578, 22208420, 33312630, 39975156, 49968945, 66625260, 99937890, 199875780]

約数ペア:

[(1, 199875780), (2, 99937890), (3, 66625260), (4, 49968945), (5, 39975156), (6, 33312630), (9, 22208420), (10, 19987578), (12, 16656315), (13, 15375060), (15, 13325052), (18, 11104210), (20, 9993789), (26, 7687530), (30, 6662526), (36, 5552105), (39, 5125020), (45, 4441684), (52, 3843765), (60, 3331263), (65, 3075012), (78, 2562510), (90, 2220842), (117, 1708340), (130, 1537506), (156, 1281255), (180, 1110421), (195, 1025004), (229, 872820), (234, 854170), (260, 768753), (373, 535860), (390, 512502), (458, 436410), (468, 427085), (585, 341668), (687, 290940), (746, 267930), (780, 256251), (916, 218205), (1119, 178620), (1145, 174564), (1170, 170834), (1374, 145470), (1492, 133965), (1865, 107172), (2061, 96980), (2238, 89310), (2290, 87282), (2340, 85417), (2748, 72735), (2977, 67140), (3357, 59540), (3435, 58188), (3730, 53586), (4122, 48490), (4476, 44655), (4580, 43641), (4849, 41220), (5595, 35724), (5954, 33570), (6714, 29770), (6870, 29094), (7460, 26793), (8244, 24245), (8931, 22380), (9698, 20610), (10305, 19396), (11190, 17862), (11908, 16785), (13428, 14885), (13740, 14547)]