171949240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3709}}^1$

素因数の和:3800

約数の個数: 64

約数和(自身を含む): 414036000

約数和(自身を除く): 242086760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 2318, 2440, 3709, 4636, 5795, 7418, 9272, 11590, 14836, 18545, 23180, 29672, 37090, 46360, 70471, 74180, 140942, 148360, 226249, 281884, 352355, 452498, 563768, 704710, 904996, 1131245, 1409420, 1809992, 2262490, 2818840, 4298731, 4524980, 8597462, 9049960, 17194924, 21493655, 34389848, 42987310, 85974620, 171949240]

約数ペア:

[(1, 171949240), (2, 85974620), (4, 42987310), (5, 34389848), (8, 21493655), (10, 17194924), (19, 9049960), (20, 8597462), (38, 4524980), (40, 4298731), (61, 2818840), (76, 2262490), (95, 1809992), (122, 1409420), (152, 1131245), (190, 904996), (244, 704710), (305, 563768), (380, 452498), (488, 352355), (610, 281884), (760, 226249), (1159, 148360), (1220, 140942), (2318, 74180), (2440, 70471), (3709, 46360), (4636, 37090), (5795, 29672), (7418, 23180), (9272, 18545), (11590, 14836)]