220708180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 611404416

約数和(自身を除く): 390696236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 361, 380, 385, 397, 418, 532, 665, 722, 770, 794, 836, 1045, 1330, 1444, 1463, 1540, 1588, 1805, 1985, 2090, 2527, 2660, 2779, 2926, 3610, 3970, 3971, 4180, 4367, 5054, 5558, 5852, 7220, 7315, 7543, 7940, 7942, 8734, 10108, 11116, 12635, 13895, 14630, 15086, 15884, 17468, 19855, 21835, 25270, 27790, 27797, 29260, 30172, 30569, 37715, 39710, 43670, 50540, 52801, 55580, 55594, 61138, 75430, 79420, 82973, 87340, 105602, 111188, 122276, 138985, 143317, 150860, 152845, 165946, 211204, 264005, 277970, 286634, 305690, 331892, 414865, 528010, 555940, 573268, 580811, 611380, 716585, 829730, 1003219, 1056020, 1161622, 1433170, 1576487, 1659460, 2006438, 2323244, 2866340, 2904055, 3152974, 4012876, 5016095, 5808110, 6305948, 7882435, 10032190, 11035409, 11616220, 15764870, 20064380, 22070818, 31529740, 44141636, 55177045, 110354090, 220708180]

約数ペア:

[(1, 220708180), (2, 110354090), (4, 55177045), (5, 44141636), (7, 31529740), (10, 22070818), (11, 20064380), (14, 15764870), (19, 11616220), (20, 11035409), (22, 10032190), (28, 7882435), (35, 6305948), (38, 5808110), (44, 5016095), (55, 4012876), (70, 3152974), (76, 2904055), (77, 2866340), (95, 2323244), (110, 2006438), (133, 1659460), (140, 1576487), (154, 1433170), (190, 1161622), (209, 1056020), (220, 1003219), (266, 829730), (308, 716585), (361, 611380), (380, 580811), (385, 573268), (397, 555940), (418, 528010), (532, 414865), (665, 331892), (722, 305690), (770, 286634), (794, 277970), (836, 264005), (1045, 211204), (1330, 165946), (1444, 152845), (1463, 150860), (1540, 143317), (1588, 138985), (1805, 122276), (1985, 111188), (2090, 105602), (2527, 87340), (2660, 82973), (2779, 79420), (2926, 75430), (3610, 61138), (3970, 55594), (3971, 55580), (4180, 52801), (4367, 50540), (5054, 43670), (5558, 39710), (5852, 37715), (7220, 30569), (7315, 30172), (7543, 29260), (7940, 27797), (7942, 27790), (8734, 25270), (10108, 21835), (11116, 19855), (12635, 17468), (13895, 15884), (14630, 15086)]