254753940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1286

約数の個数: 144

約数和(自身を含む): 841845312

約数和(自身を除く): 587091372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 210, 219, 245, 292, 294, 365, 420, 438, 490, 511, 588, 730, 735, 876, 980, 1022, 1095, 1187, 1460, 1470, 1533, 2044, 2190, 2374, 2555, 2940, 3066, 3561, 3577, 4380, 4748, 5110, 5935, 6132, 7122, 7154, 7665, 8309, 10220, 10731, 11870, 14244, 14308, 15330, 16618, 17805, 17885, 21462, 23740, 24927, 30660, 33236, 35610, 35770, 41545, 42924, 49854, 53655, 58163, 71220, 71540, 83090, 86651, 99708, 107310, 116326, 124635, 166180, 173302, 174489, 214620, 232652, 249270, 259953, 290815, 346604, 348978, 433255, 498540, 519906, 581630, 606557, 697956, 866510, 872445, 1039812, 1163260, 1213114, 1299765, 1733020, 1744890, 1819671, 2426228, 2599530, 3032785, 3489780, 3639342, 4245899, 5199060, 6065570, 7278684, 8491798, 9098355, 12131140, 12737697, 16983596, 18196710, 21229495, 25475394, 36393420, 42458990, 50950788, 63688485, 84917980, 127376970, 254753940]

約数ペア:

[(1, 254753940), (2, 127376970), (3, 84917980), (4, 63688485), (5, 50950788), (6, 42458990), (7, 36393420), (10, 25475394), (12, 21229495), (14, 18196710), (15, 16983596), (20, 12737697), (21, 12131140), (28, 9098355), (30, 8491798), (35, 7278684), (42, 6065570), (49, 5199060), (60, 4245899), (70, 3639342), (73, 3489780), (84, 3032785), (98, 2599530), (105, 2426228), (140, 1819671), (146, 1744890), (147, 1733020), (196, 1299765), (210, 1213114), (219, 1163260), (245, 1039812), (292, 872445), (294, 866510), (365, 697956), (420, 606557), (438, 581630), (490, 519906), (511, 498540), (588, 433255), (730, 348978), (735, 346604), (876, 290815), (980, 259953), (1022, 249270), (1095, 232652), (1187, 214620), (1460, 174489), (1470, 173302), (1533, 166180), (2044, 124635), (2190, 116326), (2374, 107310), (2555, 99708), (2940, 86651), (3066, 83090), (3561, 71540), (3577, 71220), (4380, 58163), (4748, 53655), (5110, 49854), (5935, 42924), (6132, 41545), (7122, 35770), (7154, 35610), (7665, 33236), (8309, 30660), (10220, 24927), (10731, 23740), (11870, 21462), (14244, 17885), (14308, 17805), (15330, 16618)]