28945800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1272

約数の個数: 144

約数和(自身を含む): 104771940

約数和(自身を除く): 75826140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1237, 1300, 1560, 1800, 1950, 2340, 2474, 2600, 2925, 3711, 3900, 4680, 4948, 5850, 6185, 7422, 7800, 9896, 11133, 11700, 12370, 14844, 16081, 18555, 22266, 23400, 24740, 29688, 30925, 32162, 37110, 44532, 48243, 49480, 55665, 61850, 64324, 74220, 80405, 89064, 92775, 96486, 111330, 123700, 128648, 144729, 148440, 160810, 185550, 192972, 222660, 241215, 247400, 278325, 289458, 321620, 371100, 385944, 402025, 445320, 482430, 556650, 578916, 643240, 723645, 742200, 804050, 964860, 1113300, 1157832, 1206075, 1447290, 1608100, 1929720, 2226600, 2412150, 2894580, 3216200, 3618225, 4824300, 5789160, 7236450, 9648600, 14472900, 28945800]

約数ペア:

[(1, 28945800), (2, 14472900), (3, 9648600), (4, 7236450), (5, 5789160), (6, 4824300), (8, 3618225), (9, 3216200), (10, 2894580), (12, 2412150), (13, 2226600), (15, 1929720), (18, 1608100), (20, 1447290), (24, 1206075), (25, 1157832), (26, 1113300), (30, 964860), (36, 804050), (39, 742200), (40, 723645), (45, 643240), (50, 578916), (52, 556650), (60, 482430), (65, 445320), (72, 402025), (75, 385944), (78, 371100), (90, 321620), (100, 289458), (104, 278325), (117, 247400), (120, 241215), (130, 222660), (150, 192972), (156, 185550), (180, 160810), (195, 148440), (200, 144729), (225, 128648), (234, 123700), (260, 111330), (300, 96486), (312, 92775), (325, 89064), (360, 80405), (390, 74220), (450, 64324), (468, 61850), (520, 55665), (585, 49480), (600, 48243), (650, 44532), (780, 37110), (900, 32162), (936, 30925), (975, 29688), (1170, 24740), (1237, 23400), (1300, 22266), (1560, 18555), (1800, 16081), (1950, 14844), (2340, 12370), (2474, 11700), (2600, 11133), (2925, 9896), (3711, 7800), (3900, 7422), (4680, 6185), (4948, 5850)]