388636300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3359}}^1$

素因数の和:3475

約数の個数: 72

約数和(自身を含む): 918691200

約数和(自身を除く): 530054900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 356, 445, 650, 890, 1157, 1300, 1780, 2225, 2314, 3359, 4450, 4628, 5785, 6718, 8900, 11570, 13436, 16795, 23140, 28925, 33590, 43667, 57850, 67180, 83975, 87334, 115700, 167950, 174668, 218335, 298951, 335900, 436670, 597902, 873340, 1091675, 1195804, 1494755, 2183350, 2989510, 3886363, 4366700, 5979020, 7473775, 7772726, 14947550, 15545452, 19431815, 29895100, 38863630, 77727260, 97159075, 194318150, 388636300]

約数ペア:

[(1, 388636300), (2, 194318150), (4, 97159075), (5, 77727260), (10, 38863630), (13, 29895100), (20, 19431815), (25, 15545452), (26, 14947550), (50, 7772726), (52, 7473775), (65, 5979020), (89, 4366700), (100, 3886363), (130, 2989510), (178, 2183350), (260, 1494755), (325, 1195804), (356, 1091675), (445, 873340), (650, 597902), (890, 436670), (1157, 335900), (1300, 298951), (1780, 218335), (2225, 174668), (2314, 167950), (3359, 115700), (4450, 87334), (4628, 83975), (5785, 67180), (6718, 57850), (8900, 43667), (11570, 33590), (13436, 28925), (16795, 23140)]