138005180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 314979840

約数和(自身を除く): 176974660

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 61, 62, 82, 89, 122, 124, 155, 164, 178, 205, 244, 305, 310, 356, 410, 445, 610, 620, 820, 890, 1220, 1271, 1780, 1891, 2501, 2542, 2759, 3649, 3782, 5002, 5084, 5429, 5518, 6355, 7298, 7564, 9455, 10004, 10858, 11036, 12505, 12710, 13795, 14596, 18245, 18910, 21716, 25010, 25420, 27145, 27590, 36490, 37820, 50020, 54290, 55180, 72980, 77531, 108580, 113119, 155062, 168299, 222589, 226238, 310124, 336598, 387655, 445178, 452476, 565595, 673196, 775310, 841495, 890356, 1112945, 1131190, 1550620, 1682990, 2225890, 2262380, 3365980, 4451780, 6900259, 13800518, 27601036, 34501295, 69002590, 138005180]

約数ペア:

[(1, 138005180), (2, 69002590), (4, 34501295), (5, 27601036), (10, 13800518), (20, 6900259), (31, 4451780), (41, 3365980), (61, 2262380), (62, 2225890), (82, 1682990), (89, 1550620), (122, 1131190), (124, 1112945), (155, 890356), (164, 841495), (178, 775310), (205, 673196), (244, 565595), (305, 452476), (310, 445178), (356, 387655), (410, 336598), (445, 310124), (610, 226238), (620, 222589), (820, 168299), (890, 155062), (1220, 113119), (1271, 108580), (1780, 77531), (1891, 72980), (2501, 55180), (2542, 54290), (2759, 50020), (3649, 37820), (3782, 36490), (5002, 27590), (5084, 27145), (5429, 25420), (5518, 25010), (6355, 21716), (7298, 18910), (7564, 18245), (9455, 14596), (10004, 13795), (10858, 12710), (11036, 12505)]