42700420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 108864000

約数和(自身を除く): 66163580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 149, 161, 178, 230, 298, 322, 356, 445, 460, 596, 623, 644, 745, 805, 890, 1043, 1246, 1490, 1610, 1780, 2047, 2086, 2492, 2980, 3115, 3220, 3427, 4094, 4172, 5215, 6230, 6854, 8188, 10235, 10430, 12460, 13261, 13708, 14329, 17135, 20470, 20860, 23989, 26522, 28658, 34270, 40940, 47978, 53044, 57316, 66305, 68540, 71645, 92827, 95956, 119945, 132610, 143290, 185654, 239890, 265220, 286580, 305003, 371308, 464135, 479780, 610006, 928270, 1220012, 1525015, 1856540, 2135021, 3050030, 4270042, 6100060, 8540084, 10675105, 21350210, 42700420]

約数ペア:

[(1, 42700420), (2, 21350210), (4, 10675105), (5, 8540084), (7, 6100060), (10, 4270042), (14, 3050030), (20, 2135021), (23, 1856540), (28, 1525015), (35, 1220012), (46, 928270), (70, 610006), (89, 479780), (92, 464135), (115, 371308), (140, 305003), (149, 286580), (161, 265220), (178, 239890), (230, 185654), (298, 143290), (322, 132610), (356, 119945), (445, 95956), (460, 92827), (596, 71645), (623, 68540), (644, 66305), (745, 57316), (805, 53044), (890, 47978), (1043, 40940), (1246, 34270), (1490, 28658), (1610, 26522), (1780, 23989), (2047, 20860), (2086, 20470), (2492, 17135), (2980, 14329), (3115, 13708), (3220, 13261), (3427, 12460), (4094, 10430), (4172, 10235), (5215, 8188), (6230, 6854)]