1900403205

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 3209932800

約数和(自身を除く): 1309529595

約数列:

[1, 3, 5, 15, 29, 87, 89, 145, 191, 257, 267, 435, 445, 573, 771, 955, 1285, 1335, 2581, 2865, 3855, 5539, 7453, 7743, 12905, 16617, 16999, 22359, 22873, 27695, 37265, 38715, 49087, 50997, 68619, 83085, 84995, 111795, 114365, 147261, 245435, 254985, 343095, 492971, 663317, 736305, 1423523, 1478913, 1989951, 2464855, 3316585, 4270569, 4368743, 7117615, 7394565, 9949755, 13106229, 21352845, 21843715, 65531145, 126693547, 380080641, 633467735, 1900403205]

約数ペア:

[(1, 1900403205), (3, 633467735), (5, 380080641), (15, 126693547), (29, 65531145), (87, 21843715), (89, 21352845), (145, 13106229), (191, 9949755), (257, 7394565), (267, 7117615), (435, 4368743), (445, 4270569), (573, 3316585), (771, 2464855), (955, 1989951), (1285, 1478913), (1335, 1423523), (2581, 736305), (2865, 663317), (3855, 492971), (5539, 343095), (7453, 254985), (7743, 245435), (12905, 147261), (16617, 114365), (16999, 111795), (22359, 84995), (22873, 83085), (27695, 68619), (37265, 50997), (38715, 49087)]