291266990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 616218624

約数和(自身を除く): 324951634

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 223, 235, 329, 397, 446, 470, 658, 794, 1115, 1561, 1645, 1985, 2230, 2779, 3122, 3290, 3970, 5558, 7805, 10481, 13895, 15610, 18659, 20962, 27790, 37318, 52405, 73367, 88531, 93295, 104810, 130613, 146734, 177062, 186590, 261226, 366835, 442655, 619717, 653065, 733670, 885310, 1239434, 1306130, 3098585, 4160957, 6197170, 8321914, 20804785, 29126699, 41609570, 58253398, 145633495, 291266990]

約数ペア:

[(1, 291266990), (2, 145633495), (5, 58253398), (7, 41609570), (10, 29126699), (14, 20804785), (35, 8321914), (47, 6197170), (70, 4160957), (94, 3098585), (223, 1306130), (235, 1239434), (329, 885310), (397, 733670), (446, 653065), (470, 619717), (658, 442655), (794, 366835), (1115, 261226), (1561, 186590), (1645, 177062), (1985, 146734), (2230, 130613), (2779, 104810), (3122, 93295), (3290, 88531), (3970, 73367), (5558, 52405), (7805, 37318), (10481, 27790), (13895, 20962), (15610, 18659)]