11388980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 27941760

約数和(自身を除く): 16552780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 41, 43, 68, 76, 82, 85, 86, 95, 164, 170, 172, 190, 205, 215, 323, 340, 380, 410, 430, 646, 697, 731, 779, 817, 820, 860, 1292, 1394, 1462, 1558, 1615, 1634, 1763, 2788, 2924, 3116, 3230, 3268, 3485, 3526, 3655, 3895, 4085, 6460, 6970, 7052, 7310, 7790, 8170, 8815, 13243, 13889, 13940, 14620, 15580, 16340, 17630, 26486, 27778, 29971, 33497, 35260, 52972, 55556, 59942, 66215, 66994, 69445, 119884, 132430, 133988, 138890, 149855, 167485, 264860, 277780, 299710, 334970, 569449, 599420, 669940, 1138898, 2277796, 2847245, 5694490, 11388980]

約数ペア:

[(1, 11388980), (2, 5694490), (4, 2847245), (5, 2277796), (10, 1138898), (17, 669940), (19, 599420), (20, 569449), (34, 334970), (38, 299710), (41, 277780), (43, 264860), (68, 167485), (76, 149855), (82, 138890), (85, 133988), (86, 132430), (95, 119884), (164, 69445), (170, 66994), (172, 66215), (190, 59942), (205, 55556), (215, 52972), (323, 35260), (340, 33497), (380, 29971), (410, 27778), (430, 26486), (646, 17630), (697, 16340), (731, 15580), (779, 14620), (817, 13940), (820, 13889), (860, 13243), (1292, 8815), (1394, 8170), (1462, 7790), (1558, 7310), (1615, 7052), (1634, 6970), (1763, 6460), (2788, 4085), (2924, 3895), (3116, 3655), (3230, 3526), (3268, 3485)]