189427600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 488841480

約数和(自身を除く): 299413880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 89, 100, 136, 170, 178, 200, 272, 313, 340, 356, 400, 425, 445, 626, 680, 712, 850, 890, 1252, 1360, 1424, 1513, 1565, 1700, 1780, 2225, 2504, 3026, 3130, 3400, 3560, 4450, 5008, 5321, 6052, 6260, 6800, 7120, 7565, 7825, 8900, 10642, 12104, 12520, 15130, 15650, 17800, 21284, 24208, 25040, 26605, 27857, 30260, 31300, 35600, 37825, 42568, 53210, 55714, 60520, 62600, 75650, 85136, 106420, 111428, 121040, 125200, 133025, 139285, 151300, 212840, 222856, 266050, 278570, 302600, 425680, 445712, 473569, 532100, 557140, 605200, 696425, 947138, 1064200, 1114280, 1392850, 1894276, 2128400, 2228560, 2367845, 2785700, 3788552, 4735690, 5571400, 7577104, 9471380, 11142800, 11839225, 18942760, 23678450, 37885520, 47356900, 94713800, 189427600]

約数ペア:

[(1, 189427600), (2, 94713800), (4, 47356900), (5, 37885520), (8, 23678450), (10, 18942760), (16, 11839225), (17, 11142800), (20, 9471380), (25, 7577104), (34, 5571400), (40, 4735690), (50, 3788552), (68, 2785700), (80, 2367845), (85, 2228560), (89, 2128400), (100, 1894276), (136, 1392850), (170, 1114280), (178, 1064200), (200, 947138), (272, 696425), (313, 605200), (340, 557140), (356, 532100), (400, 473569), (425, 445712), (445, 425680), (626, 302600), (680, 278570), (712, 266050), (850, 222856), (890, 212840), (1252, 151300), (1360, 139285), (1424, 133025), (1513, 125200), (1565, 121040), (1700, 111428), (1780, 106420), (2225, 85136), (2504, 75650), (3026, 62600), (3130, 60520), (3400, 55714), (3560, 53210), (4450, 42568), (5008, 37825), (5321, 35600), (6052, 31300), (6260, 30260), (6800, 27857), (7120, 26605), (7565, 25040), (7825, 24208), (8900, 21284), (10642, 17800), (12104, 15650), (12520, 15130)]