31259700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 108

約数和(自身を含む): 100201920

約数和(自身を除く): 68942220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 47, 50, 60, 75, 90, 94, 100, 141, 150, 180, 188, 225, 235, 282, 300, 423, 450, 470, 564, 705, 739, 846, 900, 940, 1175, 1410, 1478, 1692, 2115, 2217, 2350, 2820, 2956, 3525, 3695, 4230, 4434, 4700, 6651, 7050, 7390, 8460, 8868, 10575, 11085, 13302, 14100, 14780, 18475, 21150, 22170, 26604, 33255, 34733, 36950, 42300, 44340, 55425, 66510, 69466, 73900, 104199, 110850, 133020, 138932, 166275, 173665, 208398, 221700, 312597, 332550, 347330, 416796, 520995, 625194, 665100, 694660, 868325, 1041990, 1250388, 1562985, 1736650, 2083980, 2604975, 3125970, 3473300, 5209950, 6251940, 7814925, 10419900, 15629850, 31259700]

約数ペア:

[(1, 31259700), (2, 15629850), (3, 10419900), (4, 7814925), (5, 6251940), (6, 5209950), (9, 3473300), (10, 3125970), (12, 2604975), (15, 2083980), (18, 1736650), (20, 1562985), (25, 1250388), (30, 1041990), (36, 868325), (45, 694660), (47, 665100), (50, 625194), (60, 520995), (75, 416796), (90, 347330), (94, 332550), (100, 312597), (141, 221700), (150, 208398), (180, 173665), (188, 166275), (225, 138932), (235, 133020), (282, 110850), (300, 104199), (423, 73900), (450, 69466), (470, 66510), (564, 55425), (705, 44340), (739, 42300), (846, 36950), (900, 34733), (940, 33255), (1175, 26604), (1410, 22170), (1478, 21150), (1692, 18475), (2115, 14780), (2217, 14100), (2350, 13302), (2820, 11085), (2956, 10575), (3525, 8868), (3695, 8460), (4230, 7390), (4434, 7050), (4700, 6651)]