171669940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 430133760

約数和(自身を除く): 258463820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 59, 62, 65, 76, 95, 118, 124, 130, 155, 190, 236, 247, 260, 295, 310, 361, 380, 403, 494, 589, 590, 620, 722, 767, 806, 988, 1121, 1178, 1180, 1235, 1444, 1534, 1612, 1805, 1829, 2015, 2242, 2356, 2470, 2945, 3068, 3610, 3658, 3835, 4030, 4484, 4693, 4940, 5605, 5890, 7220, 7316, 7657, 7670, 8060, 9145, 9386, 11191, 11210, 11780, 14573, 15314, 15340, 18290, 18772, 21299, 22382, 22420, 23465, 23777, 29146, 30628, 34751, 36580, 38285, 42598, 44764, 46930, 47554, 55955, 58292, 69502, 72865, 76570, 85196, 93860, 95108, 106495, 111910, 118885, 139004, 145483, 145730, 153140, 173755, 212990, 223820, 237770, 276887, 290966, 291460, 347510, 425980, 451763, 475540, 553774, 581932, 660269, 695020, 727415, 903526, 1107548, 1320538, 1384435, 1454830, 1807052, 2258815, 2641076, 2768870, 2909660, 3301345, 4517630, 5537740, 6602690, 8583497, 9035260, 13205380, 17166994, 34333988, 42917485, 85834970, 171669940]

約数ペア:

[(1, 171669940), (2, 85834970), (4, 42917485), (5, 34333988), (10, 17166994), (13, 13205380), (19, 9035260), (20, 8583497), (26, 6602690), (31, 5537740), (38, 4517630), (52, 3301345), (59, 2909660), (62, 2768870), (65, 2641076), (76, 2258815), (95, 1807052), (118, 1454830), (124, 1384435), (130, 1320538), (155, 1107548), (190, 903526), (236, 727415), (247, 695020), (260, 660269), (295, 581932), (310, 553774), (361, 475540), (380, 451763), (403, 425980), (494, 347510), (589, 291460), (590, 290966), (620, 276887), (722, 237770), (767, 223820), (806, 212990), (988, 173755), (1121, 153140), (1178, 145730), (1180, 145483), (1235, 139004), (1444, 118885), (1534, 111910), (1612, 106495), (1805, 95108), (1829, 93860), (2015, 85196), (2242, 76570), (2356, 72865), (2470, 69502), (2945, 58292), (3068, 55955), (3610, 47554), (3658, 46930), (3835, 44764), (4030, 42598), (4484, 38285), (4693, 36580), (4940, 34751), (5605, 30628), (5890, 29146), (7220, 23777), (7316, 23465), (7657, 22420), (7670, 22382), (8060, 21299), (9145, 18772), (9386, 18290), (11191, 15340), (11210, 15314), (11780, 14573)]