840462948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3049}}^1$

素因数の和:3122

約数の個数: 144

約数和(自身を含む): 2486848000

約数和(自身を除く): 1646385052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 31, 36, 38, 39, 52, 57, 62, 76, 78, 93, 114, 117, 124, 156, 171, 186, 228, 234, 247, 279, 342, 372, 403, 468, 494, 558, 589, 684, 741, 806, 988, 1116, 1178, 1209, 1482, 1612, 1767, 2223, 2356, 2418, 2964, 3049, 3534, 3627, 4446, 4836, 5301, 6098, 7068, 7254, 7657, 8892, 9147, 10602, 12196, 14508, 15314, 18294, 21204, 22971, 27441, 30628, 36588, 39637, 45942, 54882, 57931, 68913, 79274, 91884, 94519, 109764, 115862, 118911, 137826, 158548, 173793, 189038, 231724, 237822, 275652, 283557, 347586, 356733, 378076, 475644, 521379, 567114, 695172, 713466, 753103, 850671, 1042758, 1134228, 1228747, 1426932, 1506206, 1701342, 1795861, 2085516, 2259309, 2457494, 3012412, 3402684, 3591722, 3686241, 4518618, 4914988, 5387583, 6777927, 7183444, 7372482, 9037236, 10775166, 11058723, 13555854, 14744964, 16162749, 21550332, 22117446, 23346193, 27111708, 32325498, 44234892, 46692386, 64650996, 70038579, 93384772, 140077158, 210115737, 280154316, 420231474, 840462948]

約数ペア:

[(1, 840462948), (2, 420231474), (3, 280154316), (4, 210115737), (6, 140077158), (9, 93384772), (12, 70038579), (13, 64650996), (18, 46692386), (19, 44234892), (26, 32325498), (31, 27111708), (36, 23346193), (38, 22117446), (39, 21550332), (52, 16162749), (57, 14744964), (62, 13555854), (76, 11058723), (78, 10775166), (93, 9037236), (114, 7372482), (117, 7183444), (124, 6777927), (156, 5387583), (171, 4914988), (186, 4518618), (228, 3686241), (234, 3591722), (247, 3402684), (279, 3012412), (342, 2457494), (372, 2259309), (403, 2085516), (468, 1795861), (494, 1701342), (558, 1506206), (589, 1426932), (684, 1228747), (741, 1134228), (806, 1042758), (988, 850671), (1116, 753103), (1178, 713466), (1209, 695172), (1482, 567114), (1612, 521379), (1767, 475644), (2223, 378076), (2356, 356733), (2418, 347586), (2964, 283557), (3049, 275652), (3534, 237822), (3627, 231724), (4446, 189038), (4836, 173793), (5301, 158548), (6098, 137826), (7068, 118911), (7254, 115862), (7657, 109764), (8892, 94519), (9147, 91884), (10602, 79274), (12196, 68913), (14508, 57931), (15314, 54882), (18294, 45942), (21204, 39637), (22971, 36588), (27441, 30628)]