31286996860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{8273}}^1$

素因数の和:8540

約数の個数: 144

約数和(自身を含む): 81291851424

約数和(自身を除く): 50004854564

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 227, 238, 245, 340, 454, 476, 490, 595, 833, 908, 980, 1135, 1190, 1589, 1666, 2270, 2380, 3178, 3332, 3859, 4165, 4540, 6356, 7718, 7945, 8273, 8330, 11123, 15436, 15890, 16546, 16660, 19295, 22246, 27013, 31780, 33092, 38590, 41365, 44492, 54026, 55615, 57911, 77180, 82730, 108052, 111230, 115822, 135065, 140641, 165460, 189091, 222460, 231644, 270130, 281282, 289555, 378182, 405377, 540260, 562564, 579110, 703205, 756364, 810754, 945455, 984487, 1158220, 1406410, 1621508, 1877971, 1890910, 1968974, 2026885, 2812820, 3755942, 3781820, 3937948, 4053770, 4922435, 6891409, 7511884, 8107540, 9389855, 9844870, 13145797, 13782818, 18779710, 19689740, 26291594, 27565636, 31925507, 34457045, 37559420, 52583188, 63851014, 65728985, 68914090, 92020579, 127702028, 131457970, 137828180, 159627535, 184041158, 223478549, 262915940, 319255070, 368082316, 446957098, 460102895, 638510140, 893914196, 920205790, 1117392745, 1564349843, 1840411580, 2234785490, 3128699686, 4469570980, 6257399372, 7821749215, 15643498430, 31286996860]

約数ペア:

[(1, 31286996860), (2, 15643498430), (4, 7821749215), (5, 6257399372), (7, 4469570980), (10, 3128699686), (14, 2234785490), (17, 1840411580), (20, 1564349843), (28, 1117392745), (34, 920205790), (35, 893914196), (49, 638510140), (68, 460102895), (70, 446957098), (85, 368082316), (98, 319255070), (119, 262915940), (140, 223478549), (170, 184041158), (196, 159627535), (227, 137828180), (238, 131457970), (245, 127702028), (340, 92020579), (454, 68914090), (476, 65728985), (490, 63851014), (595, 52583188), (833, 37559420), (908, 34457045), (980, 31925507), (1135, 27565636), (1190, 26291594), (1589, 19689740), (1666, 18779710), (2270, 13782818), (2380, 13145797), (3178, 9844870), (3332, 9389855), (3859, 8107540), (4165, 7511884), (4540, 6891409), (6356, 4922435), (7718, 4053770), (7945, 3937948), (8273, 3781820), (8330, 3755942), (11123, 2812820), (15436, 2026885), (15890, 1968974), (16546, 1890910), (16660, 1877971), (19295, 1621508), (22246, 1406410), (27013, 1158220), (31780, 984487), (33092, 945455), (38590, 810754), (41365, 756364), (44492, 703205), (54026, 579110), (55615, 562564), (57911, 540260), (77180, 405377), (82730, 378182), (108052, 289555), (111230, 281282), (115822, 270130), (135065, 231644), (140641, 222460), (165460, 189091)]