2019960220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^2\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 4363783200

約数和(自身を除く): 2343822980

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 149, 151, 268, 298, 302, 335, 596, 604, 670, 745, 755, 1340, 1490, 1510, 2980, 3020, 4489, 8978, 9983, 10117, 17956, 19966, 20234, 22445, 22499, 39932, 40468, 44890, 44998, 49915, 50585, 89780, 89996, 99830, 101170, 112495, 199660, 202340, 224990, 449980, 668861, 677839, 1337722, 1355678, 1507433, 2675444, 2711356, 3014866, 3344305, 3389195, 6029732, 6688610, 6778390, 7537165, 13377220, 13556780, 15074330, 30148660, 100998011, 201996022, 403992044, 504990055, 1009980110, 2019960220]

約数ペア:

[(1, 2019960220), (2, 1009980110), (4, 504990055), (5, 403992044), (10, 201996022), (20, 100998011), (67, 30148660), (134, 15074330), (149, 13556780), (151, 13377220), (268, 7537165), (298, 6778390), (302, 6688610), (335, 6029732), (596, 3389195), (604, 3344305), (670, 3014866), (745, 2711356), (755, 2675444), (1340, 1507433), (1490, 1355678), (1510, 1337722), (2980, 677839), (3020, 668861), (4489, 449980), (8978, 224990), (9983, 202340), (10117, 199660), (17956, 112495), (19966, 101170), (20234, 99830), (22445, 89996), (22499, 89780), (39932, 50585), (40468, 49915), (44890, 44998)]