38899140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 128931264

約数和(自身を除く): 90032124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 131, 140, 147, 196, 202, 210, 245, 262, 294, 303, 393, 404, 420, 490, 505, 524, 588, 606, 655, 707, 735, 786, 917, 980, 1010, 1212, 1310, 1414, 1470, 1515, 1572, 1834, 1965, 2020, 2121, 2620, 2751, 2828, 2940, 3030, 3535, 3668, 3930, 4242, 4585, 4949, 5502, 6060, 6419, 7070, 7860, 8484, 9170, 9898, 10605, 11004, 12838, 13231, 13755, 14140, 14847, 18340, 19257, 19796, 21210, 24745, 25676, 26462, 27510, 29694, 32095, 38514, 39693, 42420, 49490, 52924, 55020, 59388, 64190, 66155, 74235, 77028, 79386, 92617, 96285, 98980, 128380, 132310, 148470, 158772, 185234, 192570, 198465, 264620, 277851, 296940, 370468, 385140, 396930, 463085, 555702, 648319, 793860, 926170, 1111404, 1296638, 1389255, 1852340, 1944957, 2593276, 2778510, 3241595, 3889914, 5557020, 6483190, 7779828, 9724785, 12966380, 19449570, 38899140]

約数ペア:

[(1, 38899140), (2, 19449570), (3, 12966380), (4, 9724785), (5, 7779828), (6, 6483190), (7, 5557020), (10, 3889914), (12, 3241595), (14, 2778510), (15, 2593276), (20, 1944957), (21, 1852340), (28, 1389255), (30, 1296638), (35, 1111404), (42, 926170), (49, 793860), (60, 648319), (70, 555702), (84, 463085), (98, 396930), (101, 385140), (105, 370468), (131, 296940), (140, 277851), (147, 264620), (196, 198465), (202, 192570), (210, 185234), (245, 158772), (262, 148470), (294, 132310), (303, 128380), (393, 98980), (404, 96285), (420, 92617), (490, 79386), (505, 77028), (524, 74235), (588, 66155), (606, 64190), (655, 59388), (707, 55020), (735, 52924), (786, 49490), (917, 42420), (980, 39693), (1010, 38514), (1212, 32095), (1310, 29694), (1414, 27510), (1470, 26462), (1515, 25676), (1572, 24745), (1834, 21210), (1965, 19796), (2020, 19257), (2121, 18340), (2620, 14847), (2751, 14140), (2828, 13755), (2940, 13231), (3030, 12838), (3535, 11004), (3668, 10605), (3930, 9898), (4242, 9170), (4585, 8484), (4949, 7860), (5502, 7070), (6060, 6419)]