1976447625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 3670437888

約数和(自身を除く): 1693990263

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 73, 75, 85, 93, 125, 137, 155, 219, 255, 365, 375, 411, 425, 465, 527, 685, 775, 1095, 1241, 1275, 1581, 1825, 2055, 2125, 2263, 2325, 2329, 2635, 3425, 3723, 3875, 4247, 5475, 6205, 6375, 6789, 6987, 7905, 9125, 10001, 10275, 11315, 11625, 11645, 12741, 13175, 17125, 18615, 21235, 27375, 30003, 31025, 33945, 34935, 38471, 39525, 50005, 51375, 56575, 58225, 63705, 65875, 72199, 93075, 106175, 115413, 150015, 155125, 169725, 170017, 174675, 192355, 197625, 216597, 250025, 282875, 291125, 310031, 318525, 360995, 465375, 510051, 530875, 577065, 750075, 848625, 850085, 873375, 930093, 961775, 1082985, 1250125, 1550155, 1592625, 1804975, 2550255, 2885325, 3750375, 4250425, 4650465, 4808875, 5270527, 5414925, 7750775, 9024875, 12751275, 14426625, 15811581, 21252125, 23252325, 26352635, 27074625, 38753875, 63756375, 79057905, 116261625, 131763175, 395289525, 658815875, 1976447625]

約数ペア:

[(1, 1976447625), (3, 658815875), (5, 395289525), (15, 131763175), (17, 116261625), (25, 79057905), (31, 63756375), (51, 38753875), (73, 27074625), (75, 26352635), (85, 23252325), (93, 21252125), (125, 15811581), (137, 14426625), (155, 12751275), (219, 9024875), (255, 7750775), (365, 5414925), (375, 5270527), (411, 4808875), (425, 4650465), (465, 4250425), (527, 3750375), (685, 2885325), (775, 2550255), (1095, 1804975), (1241, 1592625), (1275, 1550155), (1581, 1250125), (1825, 1082985), (2055, 961775), (2125, 930093), (2263, 873375), (2325, 850085), (2329, 848625), (2635, 750075), (3425, 577065), (3723, 530875), (3875, 510051), (4247, 465375), (5475, 360995), (6205, 318525), (6375, 310031), (6789, 291125), (6987, 282875), (7905, 250025), (9125, 216597), (10001, 197625), (10275, 192355), (11315, 174675), (11625, 170017), (11645, 169725), (12741, 155125), (13175, 150015), (17125, 115413), (18615, 106175), (21235, 93075), (27375, 72199), (30003, 65875), (31025, 63705), (33945, 58225), (34935, 56575), (38471, 51375), (39525, 50005)]