221423940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5147}}^1$

素因数の和:5401

約数の個数: 72

約数和(自身を含む): 674593920

約数和(自身を除く): 453169980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 5147, 7170, 8604, 10294, 10755, 14340, 15441, 20588, 21510, 25735, 30882, 43020, 46323, 51470, 61764, 77205, 92646, 102940, 154410, 185292, 231615, 308820, 463230, 926460, 1230133, 2460266, 3690399, 4920532, 6150665, 7380798, 11071197, 12301330, 14761596, 18451995, 22142394, 24602660, 36903990, 44284788, 55355985, 73807980, 110711970, 221423940]

約数ペア:

[(1, 221423940), (2, 110711970), (3, 73807980), (4, 55355985), (5, 44284788), (6, 36903990), (9, 24602660), (10, 22142394), (12, 18451995), (15, 14761596), (18, 12301330), (20, 11071197), (30, 7380798), (36, 6150665), (45, 4920532), (60, 3690399), (90, 2460266), (180, 1230133), (239, 926460), (478, 463230), (717, 308820), (956, 231615), (1195, 185292), (1434, 154410), (2151, 102940), (2390, 92646), (2868, 77205), (3585, 61764), (4302, 51470), (4780, 46323), (5147, 43020), (7170, 30882), (8604, 25735), (10294, 21510), (10755, 20588), (14340, 15441)]