253308440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 192

約数和(自身を含む): 748569600

約数和(自身を除く): 495261160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 49, 55, 56, 62, 70, 77, 88, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 248, 280, 308, 310, 341, 379, 385, 392, 434, 440, 490, 539, 616, 620, 682, 758, 770, 868, 980, 1078, 1085, 1240, 1364, 1516, 1519, 1540, 1705, 1736, 1895, 1960, 2156, 2170, 2387, 2653, 2695, 2728, 3032, 3038, 3080, 3410, 3790, 4169, 4312, 4340, 4774, 5306, 5390, 6076, 6820, 7580, 7595, 8338, 8680, 9548, 10612, 10780, 11749, 11935, 12152, 13265, 13640, 15160, 15190, 16676, 16709, 18571, 19096, 20845, 21224, 21560, 23498, 23870, 26530, 29183, 30380, 33352, 33418, 37142, 41690, 46996, 47740, 53060, 58366, 58745, 60760, 66836, 74284, 82243, 83380, 83545, 92855, 93992, 95480, 106120, 116732, 117490, 129239, 133672, 145915, 148568, 164486, 166760, 167090, 185710, 204281, 233464, 234980, 258478, 291830, 328972, 334180, 371420, 408562, 411215, 469960, 516956, 575701, 583660, 646195, 657944, 668360, 742840, 817124, 822430, 904673, 1021405, 1033912, 1151402, 1167320, 1292390, 1634248, 1644860, 1809346, 2042810, 2302804, 2584780, 2878505, 3289720, 3618692, 4085620, 4523365, 4605608, 5169560, 5757010, 6332711, 7237384, 8171240, 9046730, 11514020, 12665422, 18093460, 23028040, 25330844, 31663555, 36186920, 50661688, 63327110, 126654220, 253308440]

約数ペア:

[(1, 253308440), (2, 126654220), (4, 63327110), (5, 50661688), (7, 36186920), (8, 31663555), (10, 25330844), (11, 23028040), (14, 18093460), (20, 12665422), (22, 11514020), (28, 9046730), (31, 8171240), (35, 7237384), (40, 6332711), (44, 5757010), (49, 5169560), (55, 4605608), (56, 4523365), (62, 4085620), (70, 3618692), (77, 3289720), (88, 2878505), (98, 2584780), (110, 2302804), (124, 2042810), (140, 1809346), (154, 1644860), (155, 1634248), (196, 1292390), (217, 1167320), (220, 1151402), (245, 1033912), (248, 1021405), (280, 904673), (308, 822430), (310, 817124), (341, 742840), (379, 668360), (385, 657944), (392, 646195), (434, 583660), (440, 575701), (490, 516956), (539, 469960), (616, 411215), (620, 408562), (682, 371420), (758, 334180), (770, 328972), (868, 291830), (980, 258478), (1078, 234980), (1085, 233464), (1240, 204281), (1364, 185710), (1516, 167090), (1519, 166760), (1540, 164486), (1705, 148568), (1736, 145915), (1895, 133672), (1960, 129239), (2156, 117490), (2170, 116732), (2387, 106120), (2653, 95480), (2695, 93992), (2728, 92855), (3032, 83545), (3038, 83380), (3080, 82243), (3410, 74284), (3790, 66836), (4169, 60760), (4312, 58745), (4340, 58366), (4774, 53060), (5306, 47740), (5390, 46996), (6076, 41690), (6820, 37142), (7580, 33418), (7595, 33352), (8338, 30380), (8680, 29183), (9548, 26530), (10612, 23870), (10780, 23498), (11749, 21560), (11935, 21224), (12152, 20845), (13265, 19096), (13640, 18571), (15160, 16709), (15190, 16676)]