168434420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 454387584

約数和(自身を除く): 285953164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 121, 122, 140, 154, 163, 220, 242, 244, 305, 308, 326, 385, 427, 484, 605, 610, 652, 671, 770, 815, 847, 854, 1141, 1210, 1220, 1342, 1540, 1630, 1694, 1708, 1793, 2135, 2282, 2420, 2684, 3260, 3355, 3388, 3586, 4235, 4270, 4564, 4697, 5705, 6710, 7172, 7381, 8470, 8540, 8965, 9394, 9943, 11410, 12551, 13420, 14762, 16940, 17930, 18788, 19723, 19886, 22820, 23485, 25102, 29524, 35860, 36905, 39446, 39772, 46970, 49715, 50204, 51667, 62755, 69601, 73810, 78892, 93940, 98615, 99430, 103334, 109373, 125510, 138061, 139202, 147620, 197230, 198860, 206668, 218746, 251020, 258335, 276122, 278404, 348005, 394460, 437492, 516670, 546865, 552244, 690305, 696010, 765611, 1033340, 1093730, 1203103, 1380610, 1392020, 1531222, 2187460, 2406206, 2761220, 3062444, 3828055, 4812412, 6015515, 7656110, 8421721, 12031030, 15312220, 16843442, 24062060, 33686884, 42108605, 84217210, 168434420]

約数ペア:

[(1, 168434420), (2, 84217210), (4, 42108605), (5, 33686884), (7, 24062060), (10, 16843442), (11, 15312220), (14, 12031030), (20, 8421721), (22, 7656110), (28, 6015515), (35, 4812412), (44, 3828055), (55, 3062444), (61, 2761220), (70, 2406206), (77, 2187460), (110, 1531222), (121, 1392020), (122, 1380610), (140, 1203103), (154, 1093730), (163, 1033340), (220, 765611), (242, 696010), (244, 690305), (305, 552244), (308, 546865), (326, 516670), (385, 437492), (427, 394460), (484, 348005), (605, 278404), (610, 276122), (652, 258335), (671, 251020), (770, 218746), (815, 206668), (847, 198860), (854, 197230), (1141, 147620), (1210, 139202), (1220, 138061), (1342, 125510), (1540, 109373), (1630, 103334), (1694, 99430), (1708, 98615), (1793, 93940), (2135, 78892), (2282, 73810), (2420, 69601), (2684, 62755), (3260, 51667), (3355, 50204), (3388, 49715), (3586, 46970), (4235, 39772), (4270, 39446), (4564, 36905), (4697, 35860), (5705, 29524), (6710, 25102), (7172, 23485), (7381, 22820), (8470, 19886), (8540, 19723), (8965, 18788), (9394, 17930), (9943, 16940), (11410, 14762), (12551, 13420)]