221020020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3257}}^1$

素因数の和:3314

約数の個数: 144

約数和(自身を含む): 747124560

約数和(自身を除く): 526104540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 468, 522, 580, 585, 754, 780, 870, 1044, 1131, 1170, 1305, 1508, 1740, 1885, 2262, 2340, 2610, 3257, 3393, 3770, 4524, 5220, 5655, 6514, 6786, 7540, 9771, 11310, 13028, 13572, 16285, 16965, 19542, 22620, 29313, 32570, 33930, 39084, 42341, 48855, 58626, 65140, 67860, 84682, 94453, 97710, 117252, 127023, 146565, 169364, 188906, 195420, 211705, 254046, 283359, 293130, 377812, 381069, 423410, 472265, 508092, 566718, 586260, 635115, 762138, 846820, 850077, 944530, 1133436, 1227889, 1270230, 1416795, 1524276, 1700154, 1889060, 1905345, 2455778, 2540460, 2833590, 3400308, 3683667, 3810690, 4250385, 4911556, 5667180, 6139445, 7367334, 7621380, 8500770, 11051001, 12278890, 14734668, 17001540, 18418335, 22102002, 24557780, 36836670, 44204004, 55255005, 73673340, 110510010, 221020020]

約数ペア:

[(1, 221020020), (2, 110510010), (3, 73673340), (4, 55255005), (5, 44204004), (6, 36836670), (9, 24557780), (10, 22102002), (12, 18418335), (13, 17001540), (15, 14734668), (18, 12278890), (20, 11051001), (26, 8500770), (29, 7621380), (30, 7367334), (36, 6139445), (39, 5667180), (45, 4911556), (52, 4250385), (58, 3810690), (60, 3683667), (65, 3400308), (78, 2833590), (87, 2540460), (90, 2455778), (116, 1905345), (117, 1889060), (130, 1700154), (145, 1524276), (156, 1416795), (174, 1270230), (180, 1227889), (195, 1133436), (234, 944530), (260, 850077), (261, 846820), (290, 762138), (348, 635115), (377, 586260), (390, 566718), (435, 508092), (468, 472265), (522, 423410), (580, 381069), (585, 377812), (754, 293130), (780, 283359), (870, 254046), (1044, 211705), (1131, 195420), (1170, 188906), (1305, 169364), (1508, 146565), (1740, 127023), (1885, 117252), (2262, 97710), (2340, 94453), (2610, 84682), (3257, 67860), (3393, 65140), (3770, 58626), (4524, 48855), (5220, 42341), (5655, 39084), (6514, 33930), (6786, 32570), (7540, 29313), (9771, 22620), (11310, 19542), (13028, 16965), (13572, 16285)]