381330350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 724775040

約数和(自身を除く): 343444690

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 163, 326, 355, 659, 710, 815, 1318, 1630, 1775, 3295, 3550, 4075, 6590, 8150, 11573, 16475, 23146, 32950, 46789, 57865, 93578, 107417, 115730, 214834, 233945, 289325, 467890, 537085, 578650, 1074170, 1169725, 2339450, 2685425, 5370850, 7626607, 15253214, 38133035, 76266070, 190665175, 381330350]

約数ペア:

[(1, 381330350), (2, 190665175), (5, 76266070), (10, 38133035), (25, 15253214), (50, 7626607), (71, 5370850), (142, 2685425), (163, 2339450), (326, 1169725), (355, 1074170), (659, 578650), (710, 537085), (815, 467890), (1318, 289325), (1630, 233945), (1775, 214834), (3295, 115730), (3550, 107417), (4075, 93578), (6590, 57865), (8150, 46789), (11573, 32950), (16475, 23146)]