400174125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 774918144

約数和(自身を除く): 374744019

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 43, 65, 69, 75, 83, 115, 125, 129, 195, 215, 249, 299, 325, 345, 375, 415, 559, 575, 645, 897, 975, 989, 1075, 1079, 1245, 1495, 1625, 1677, 1725, 1909, 2075, 2795, 2875, 2967, 3225, 3237, 3569, 4485, 4875, 4945, 5375, 5395, 5727, 6225, 7475, 8385, 8625, 9545, 10375, 10707, 12857, 13975, 14835, 16125, 16185, 17845, 22425, 24725, 24817, 26975, 28635, 31125, 37375, 38571, 41925, 46397, 47725, 53535, 64285, 69875, 74175, 74451, 80925, 82087, 89225, 112125, 123625, 124085, 134875, 139191, 143175, 192855, 209625, 231985, 238625, 246261, 267675, 321425, 370875, 372255, 404625, 410435, 446125, 620425, 695955, 715875, 964275, 1067131, 1159925, 1231305, 1338375, 1607125, 1861275, 2052175, 3102125, 3201393, 3479775, 4821375, 5335655, 5799625, 6156525, 9306375, 10260875, 16006965, 17398875, 26678275, 30782625, 80034825, 133391375, 400174125]

約数ペア:

[(1, 400174125), (3, 133391375), (5, 80034825), (13, 30782625), (15, 26678275), (23, 17398875), (25, 16006965), (39, 10260875), (43, 9306375), (65, 6156525), (69, 5799625), (75, 5335655), (83, 4821375), (115, 3479775), (125, 3201393), (129, 3102125), (195, 2052175), (215, 1861275), (249, 1607125), (299, 1338375), (325, 1231305), (345, 1159925), (375, 1067131), (415, 964275), (559, 715875), (575, 695955), (645, 620425), (897, 446125), (975, 410435), (989, 404625), (1075, 372255), (1079, 370875), (1245, 321425), (1495, 267675), (1625, 246261), (1677, 238625), (1725, 231985), (1909, 209625), (2075, 192855), (2795, 143175), (2875, 139191), (2967, 134875), (3225, 124085), (3237, 123625), (3569, 112125), (4485, 89225), (4875, 82087), (4945, 80925), (5375, 74451), (5395, 74175), (5727, 69875), (6225, 64285), (7475, 53535), (8385, 47725), (8625, 46397), (9545, 41925), (10375, 38571), (10707, 37375), (12857, 31125), (13975, 28635), (14835, 26975), (16125, 24817), (16185, 24725), (17845, 22425)]