30137890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 56401920

約数和(自身を除く): 26264030

約数列:

[1, 2, 5, 10, 31, 62, 155, 191, 310, 382, 509, 955, 1018, 1910, 2545, 5090, 5921, 11842, 15779, 29605, 31558, 59210, 78895, 97219, 157790, 194438, 486095, 972190, 3013789, 6027578, 15068945, 30137890]

約数ペア:

[(1, 30137890), (2, 15068945), (5, 6027578), (10, 3013789), (31, 972190), (62, 486095), (155, 194438), (191, 157790), (310, 97219), (382, 78895), (509, 59210), (955, 31558), (1018, 29605), (1910, 15779), (2545, 11842), (5090, 5921)]