78492820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 196116480

約数和(自身を除く): 117623660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 79, 94, 140, 151, 158, 188, 235, 302, 316, 329, 395, 470, 553, 604, 658, 755, 790, 940, 1057, 1106, 1316, 1510, 1580, 1645, 2114, 2212, 2765, 3020, 3290, 3713, 4228, 5285, 5530, 6580, 7097, 7426, 10570, 11060, 11929, 14194, 14852, 18565, 21140, 23858, 25991, 28388, 35485, 37130, 47716, 49679, 51982, 59645, 70970, 74260, 83503, 99358, 103964, 119290, 129955, 141940, 167006, 198716, 238580, 248395, 259910, 334012, 417515, 496790, 519820, 560663, 835030, 993580, 1121326, 1670060, 2242652, 2803315, 3924641, 5606630, 7849282, 11213260, 15698564, 19623205, 39246410, 78492820]

約数ペア:

[(1, 78492820), (2, 39246410), (4, 19623205), (5, 15698564), (7, 11213260), (10, 7849282), (14, 5606630), (20, 3924641), (28, 2803315), (35, 2242652), (47, 1670060), (70, 1121326), (79, 993580), (94, 835030), (140, 560663), (151, 519820), (158, 496790), (188, 417515), (235, 334012), (302, 259910), (316, 248395), (329, 238580), (395, 198716), (470, 167006), (553, 141940), (604, 129955), (658, 119290), (755, 103964), (790, 99358), (940, 83503), (1057, 74260), (1106, 70970), (1316, 59645), (1510, 51982), (1580, 49679), (1645, 47716), (2114, 37130), (2212, 35485), (2765, 28388), (3020, 25991), (3290, 23858), (3713, 21140), (4228, 18565), (5285, 14852), (5530, 14194), (6580, 11929), (7097, 11060), (7426, 10570)]