28089900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 162

約数和(自身を含む): 93600780

約数和(自身を除く): 65510880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 59, 60, 69, 75, 90, 92, 100, 115, 118, 138, 150, 177, 180, 207, 225, 230, 236, 276, 295, 300, 345, 354, 414, 450, 460, 529, 531, 575, 590, 690, 708, 828, 885, 900, 1035, 1058, 1062, 1150, 1180, 1357, 1380, 1475, 1587, 1725, 1770, 2070, 2116, 2124, 2300, 2645, 2655, 2714, 2950, 3174, 3450, 3540, 4071, 4140, 4425, 4761, 5175, 5290, 5310, 5428, 5900, 6348, 6785, 6900, 7935, 8142, 8850, 9522, 10350, 10580, 10620, 12213, 13225, 13275, 13570, 15870, 16284, 17700, 19044, 20355, 20700, 23805, 24426, 26450, 26550, 27140, 31211, 31740, 33925, 39675, 40710, 47610, 48852, 52900, 53100, 61065, 62422, 67850, 79350, 81420, 93633, 95220, 101775, 119025, 122130, 124844, 135700, 156055, 158700, 187266, 203550, 238050, 244260, 280899, 305325, 312110, 374532, 407100, 468165, 476100, 561798, 610650, 624220, 780275, 936330, 1123596, 1221300, 1404495, 1560550, 1872660, 2340825, 2808990, 3121100, 4681650, 5617980, 7022475, 9363300, 14044950, 28089900]

約数ペア:

[(1, 28089900), (2, 14044950), (3, 9363300), (4, 7022475), (5, 5617980), (6, 4681650), (9, 3121100), (10, 2808990), (12, 2340825), (15, 1872660), (18, 1560550), (20, 1404495), (23, 1221300), (25, 1123596), (30, 936330), (36, 780275), (45, 624220), (46, 610650), (50, 561798), (59, 476100), (60, 468165), (69, 407100), (75, 374532), (90, 312110), (92, 305325), (100, 280899), (115, 244260), (118, 238050), (138, 203550), (150, 187266), (177, 158700), (180, 156055), (207, 135700), (225, 124844), (230, 122130), (236, 119025), (276, 101775), (295, 95220), (300, 93633), (345, 81420), (354, 79350), (414, 67850), (450, 62422), (460, 61065), (529, 53100), (531, 52900), (575, 48852), (590, 47610), (690, 40710), (708, 39675), (828, 33925), (885, 31740), (900, 31211), (1035, 27140), (1058, 26550), (1062, 26450), (1150, 24426), (1180, 23805), (1357, 20700), (1380, 20355), (1475, 19044), (1587, 17700), (1725, 16284), (1770, 15870), (2070, 13570), (2116, 13275), (2124, 13225), (2300, 12213), (2645, 10620), (2655, 10580), (2714, 10350), (2950, 9522), (3174, 8850), (3450, 8142), (3540, 7935), (4071, 6900), (4140, 6785), (4425, 6348), (4761, 5900), (5175, 5428), (5290, 5310)]