208997360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18269}}^1$

素因数の和:18306

約数の個数: 80

約数和(自身を含む): 570900960

約数和(自身を除く): 361903600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 18269, 36538, 73076, 91345, 146152, 182690, 200959, 237497, 292304, 365380, 401918, 474994, 730760, 803836, 949988, 1004795, 1187485, 1461520, 1607672, 1899976, 2009590, 2374970, 2612467, 3215344, 3799952, 4019180, 4749940, 5224934, 8038360, 9499880, 10449868, 13062335, 16076720, 18999760, 20899736, 26124670, 41799472, 52249340, 104498680, 208997360]

約数ペア:

[(1, 208997360), (2, 104498680), (4, 52249340), (5, 41799472), (8, 26124670), (10, 20899736), (11, 18999760), (13, 16076720), (16, 13062335), (20, 10449868), (22, 9499880), (26, 8038360), (40, 5224934), (44, 4749940), (52, 4019180), (55, 3799952), (65, 3215344), (80, 2612467), (88, 2374970), (104, 2009590), (110, 1899976), (130, 1607672), (143, 1461520), (176, 1187485), (208, 1004795), (220, 949988), (260, 803836), (286, 730760), (440, 474994), (520, 401918), (572, 365380), (715, 292304), (880, 237497), (1040, 200959), (1144, 182690), (1430, 146152), (2288, 91345), (2860, 73076), (5720, 36538), (11440, 18269)]