210543940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 489968640

約数和(自身を除く): 279424700

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 61, 62, 76, 95, 122, 124, 155, 190, 244, 293, 305, 310, 380, 586, 589, 610, 620, 1159, 1172, 1178, 1220, 1465, 1891, 2318, 2356, 2930, 2945, 3782, 4636, 5567, 5795, 5860, 5890, 7564, 9083, 9455, 11134, 11590, 11780, 17873, 18166, 18910, 22268, 23180, 27835, 35746, 35929, 36332, 37820, 45415, 55670, 71492, 71858, 89365, 90830, 111340, 143716, 172577, 178730, 179645, 181660, 339587, 345154, 357460, 359290, 554063, 679174, 690308, 718580, 862885, 1108126, 1358348, 1697935, 1725770, 2216252, 2770315, 3395870, 3451540, 5540630, 6791740, 10527197, 11081260, 21054394, 42108788, 52635985, 105271970, 210543940]

約数ペア:

[(1, 210543940), (2, 105271970), (4, 52635985), (5, 42108788), (10, 21054394), (19, 11081260), (20, 10527197), (31, 6791740), (38, 5540630), (61, 3451540), (62, 3395870), (76, 2770315), (95, 2216252), (122, 1725770), (124, 1697935), (155, 1358348), (190, 1108126), (244, 862885), (293, 718580), (305, 690308), (310, 679174), (380, 554063), (586, 359290), (589, 357460), (610, 345154), (620, 339587), (1159, 181660), (1172, 179645), (1178, 178730), (1220, 172577), (1465, 143716), (1891, 111340), (2318, 90830), (2356, 89365), (2930, 71858), (2945, 71492), (3782, 55670), (4636, 45415), (5567, 37820), (5795, 36332), (5860, 35929), (5890, 35746), (7564, 27835), (9083, 23180), (9455, 22268), (11134, 18910), (11590, 18166), (11780, 17873)]