251180910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:698

約数の個数: 96

約数和(自身を含む): 679041792

約数和(自身を除く): 427860882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 197, 279, 310, 394, 457, 465, 558, 591, 914, 930, 985, 1182, 1371, 1395, 1773, 1970, 2285, 2742, 2790, 2955, 3546, 4113, 4570, 5910, 6107, 6855, 8226, 8865, 12214, 13710, 14167, 17730, 18321, 20565, 28334, 30535, 36642, 41130, 42501, 54963, 61070, 70835, 85002, 90029, 91605, 109926, 127503, 141670, 180058, 183210, 212505, 255006, 270087, 274815, 425010, 450145, 540174, 549630, 637515, 810261, 900290, 1275030, 1350435, 1620522, 2700870, 2790899, 4051305, 5581798, 8102610, 8372697, 13954495, 16745394, 25118091, 27908990, 41863485, 50236182, 83726970, 125590455, 251180910]

約数ペア:

[(1, 251180910), (2, 125590455), (3, 83726970), (5, 50236182), (6, 41863485), (9, 27908990), (10, 25118091), (15, 16745394), (18, 13954495), (30, 8372697), (31, 8102610), (45, 5581798), (62, 4051305), (90, 2790899), (93, 2700870), (155, 1620522), (186, 1350435), (197, 1275030), (279, 900290), (310, 810261), (394, 637515), (457, 549630), (465, 540174), (558, 450145), (591, 425010), (914, 274815), (930, 270087), (985, 255006), (1182, 212505), (1371, 183210), (1395, 180058), (1773, 141670), (1970, 127503), (2285, 109926), (2742, 91605), (2790, 90029), (2955, 85002), (3546, 70835), (4113, 61070), (4570, 54963), (5910, 42501), (6107, 41130), (6855, 36642), (8226, 30535), (8865, 28334), (12214, 20565), (13710, 18321), (14167, 17730)]