746373980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{9949}}^1$

素因数の和:10011

約数の個数: 72

約数和(自身を含む): 1778582400

約数和(自身を除く): 1032208420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2420, 3410, 3751, 6820, 7502, 9949, 15004, 18755, 19898, 37510, 39796, 49745, 75020, 99490, 109439, 198980, 218878, 308419, 437756, 547195, 616838, 1094390, 1203829, 1233676, 1542095, 2188780, 2407658, 3084190, 3392609, 4815316, 6019145, 6168380, 6785218, 12038290, 13570436, 16963045, 24076580, 33926090, 37318699, 67852180, 74637398, 149274796, 186593495, 373186990, 746373980]

約数ペア:

[(1, 746373980), (2, 373186990), (4, 186593495), (5, 149274796), (10, 74637398), (11, 67852180), (20, 37318699), (22, 33926090), (31, 24076580), (44, 16963045), (55, 13570436), (62, 12038290), (110, 6785218), (121, 6168380), (124, 6019145), (155, 4815316), (220, 3392609), (242, 3084190), (310, 2407658), (341, 2188780), (484, 1542095), (605, 1233676), (620, 1203829), (682, 1094390), (1210, 616838), (1364, 547195), (1705, 437756), (2420, 308419), (3410, 218878), (3751, 198980), (6820, 109439), (7502, 99490), (9949, 75020), (15004, 49745), (18755, 39796), (19898, 37510)]