191609720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6553}}^1$

素因数の和:6624

約数の個数: 64

約数和(自身を含む): 467169120

約数和(自身を除く): 275559400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 6553, 7310, 13106, 14620, 26212, 29240, 32765, 52424, 65530, 111401, 131060, 222802, 262120, 281779, 445604, 557005, 563558, 891208, 1114010, 1127116, 1408895, 2228020, 2254232, 2817790, 4456040, 4790243, 5635580, 9580486, 11271160, 19160972, 23951215, 38321944, 47902430, 95804860, 191609720]

約数ペア:

[(1, 191609720), (2, 95804860), (4, 47902430), (5, 38321944), (8, 23951215), (10, 19160972), (17, 11271160), (20, 9580486), (34, 5635580), (40, 4790243), (43, 4456040), (68, 2817790), (85, 2254232), (86, 2228020), (136, 1408895), (170, 1127116), (172, 1114010), (215, 891208), (340, 563558), (344, 557005), (430, 445604), (680, 281779), (731, 262120), (860, 222802), (1462, 131060), (1720, 111401), (2924, 65530), (3655, 52424), (5848, 32765), (6553, 29240), (7310, 26212), (13106, 14620)]