1901250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{13}}^2$

素因数の和:54

約数の個数: 90

約数和(自身を含む): 5573997

約数和(自身を除く): 3672747

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 125, 130, 150, 169, 195, 225, 234, 250, 325, 338, 375, 390, 450, 507, 585, 625, 650, 750, 845, 975, 1014, 1125, 1170, 1250, 1521, 1625, 1690, 1875, 1950, 2250, 2535, 2925, 3042, 3250, 3750, 4225, 4875, 5070, 5625, 5850, 7605, 8125, 8450, 9750, 11250, 12675, 14625, 15210, 16250, 21125, 24375, 25350, 29250, 38025, 42250, 48750, 63375, 73125, 76050, 105625, 126750, 146250, 190125, 211250, 316875, 380250, 633750, 950625, 1901250]

約数ペア:

[(1, 1901250), (2, 950625), (3, 633750), (5, 380250), (6, 316875), (9, 211250), (10, 190125), (13, 146250), (15, 126750), (18, 105625), (25, 76050), (26, 73125), (30, 63375), (39, 48750), (45, 42250), (50, 38025), (65, 29250), (75, 25350), (78, 24375), (90, 21125), (117, 16250), (125, 15210), (130, 14625), (150, 12675), (169, 11250), (195, 9750), (225, 8450), (234, 8125), (250, 7605), (325, 5850), (338, 5625), (375, 5070), (390, 4875), (450, 4225), (507, 3750), (585, 3250), (625, 3042), (650, 2925), (750, 2535), (845, 2250), (975, 1950), (1014, 1875), (1125, 1690), (1170, 1625), (1250, 1521)]