28867800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3701}}^1$

素因数の和:3733

約数の個数: 96

約数和(自身を含む): 96400080

約数和(自身を除く): 67532280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3701, 3900, 7402, 7800, 11103, 14804, 18505, 22206, 29608, 37010, 44412, 48113, 55515, 74020, 88824, 92525, 96226, 111030, 144339, 148040, 185050, 192452, 222060, 240565, 277575, 288678, 370100, 384904, 444120, 481130, 555150, 577356, 721695, 740200, 962260, 1110300, 1154712, 1202825, 1443390, 1924520, 2220600, 2405650, 2886780, 3608475, 4811300, 5773560, 7216950, 9622600, 14433900, 28867800]

約数ペア:

[(1, 28867800), (2, 14433900), (3, 9622600), (4, 7216950), (5, 5773560), (6, 4811300), (8, 3608475), (10, 2886780), (12, 2405650), (13, 2220600), (15, 1924520), (20, 1443390), (24, 1202825), (25, 1154712), (26, 1110300), (30, 962260), (39, 740200), (40, 721695), (50, 577356), (52, 555150), (60, 481130), (65, 444120), (75, 384904), (78, 370100), (100, 288678), (104, 277575), (120, 240565), (130, 222060), (150, 192452), (156, 185050), (195, 148040), (200, 144339), (260, 111030), (300, 96226), (312, 92525), (325, 88824), (390, 74020), (520, 55515), (600, 48113), (650, 44412), (780, 37010), (975, 29608), (1300, 22206), (1560, 18505), (1950, 14804), (2600, 11103), (3701, 7800), (3900, 7402)]