221963560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 656046720

約数和(自身を除く): 434083160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 211, 221, 238, 260, 280, 289, 340, 364, 422, 442, 455, 476, 520, 578, 595, 680, 728, 844, 884, 910, 952, 1055, 1105, 1156, 1190, 1445, 1477, 1547, 1688, 1768, 1820, 2023, 2110, 2210, 2312, 2380, 2743, 2890, 2954, 3094, 3587, 3640, 3757, 4046, 4220, 4420, 4760, 5486, 5780, 5908, 6188, 7174, 7385, 7514, 7735, 8092, 8440, 8840, 10115, 10972, 11560, 11816, 12376, 13715, 14348, 14770, 15028, 15470, 16184, 17935, 18785, 19201, 20230, 21944, 25109, 26299, 27430, 28696, 29540, 30056, 30940, 35870, 37570, 38402, 40460, 46631, 50218, 52598, 54860, 59080, 60979, 61880, 71740, 75140, 76804, 80920, 93262, 96005, 100436, 105196, 109720, 121958, 125545, 131495, 143480, 150280, 153608, 186524, 192010, 200872, 210392, 233155, 243916, 251090, 262990, 304895, 326417, 373048, 384020, 426853, 466310, 487832, 502180, 525980, 609790, 652834, 768040, 792727, 853706, 932620, 1004360, 1051960, 1219580, 1305668, 1585454, 1632085, 1707412, 1865240, 2134265, 2439160, 2611336, 3170908, 3264170, 3414824, 3963635, 4268530, 5549089, 6341816, 6528340, 7927270, 8537060, 11098178, 13056680, 15854540, 17074120, 22196356, 27745445, 31709080, 44392712, 55490890, 110981780, 221963560]

約数ペア:

[(1, 221963560), (2, 110981780), (4, 55490890), (5, 44392712), (7, 31709080), (8, 27745445), (10, 22196356), (13, 17074120), (14, 15854540), (17, 13056680), (20, 11098178), (26, 8537060), (28, 7927270), (34, 6528340), (35, 6341816), (40, 5549089), (52, 4268530), (56, 3963635), (65, 3414824), (68, 3264170), (70, 3170908), (85, 2611336), (91, 2439160), (104, 2134265), (119, 1865240), (130, 1707412), (136, 1632085), (140, 1585454), (170, 1305668), (182, 1219580), (211, 1051960), (221, 1004360), (238, 932620), (260, 853706), (280, 792727), (289, 768040), (340, 652834), (364, 609790), (422, 525980), (442, 502180), (455, 487832), (476, 466310), (520, 426853), (578, 384020), (595, 373048), (680, 326417), (728, 304895), (844, 262990), (884, 251090), (910, 243916), (952, 233155), (1055, 210392), (1105, 200872), (1156, 192010), (1190, 186524), (1445, 153608), (1477, 150280), (1547, 143480), (1688, 131495), (1768, 125545), (1820, 121958), (2023, 109720), (2110, 105196), (2210, 100436), (2312, 96005), (2380, 93262), (2743, 80920), (2890, 76804), (2954, 75140), (3094, 71740), (3587, 61880), (3640, 60979), (3757, 59080), (4046, 54860), (4220, 52598), (4420, 50218), (4760, 46631), (5486, 40460), (5780, 38402), (5908, 37570), (6188, 35870), (7174, 30940), (7385, 30056), (7514, 29540), (7735, 28696), (8092, 27430), (8440, 26299), (8840, 25109), (10115, 21944), (10972, 20230), (11560, 19201), (11816, 18785), (12376, 17935), (13715, 16184), (14348, 15470), (14770, 15028)]