426974380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 1112803776

約数和(自身を除く): 685829396

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 119, 122, 140, 170, 173, 238, 244, 289, 305, 340, 346, 427, 476, 578, 595, 610, 692, 854, 865, 1037, 1156, 1190, 1211, 1220, 1445, 1708, 1730, 2023, 2074, 2135, 2380, 2422, 2890, 2941, 3460, 4046, 4148, 4270, 4844, 5185, 5780, 5882, 6055, 7259, 8092, 8540, 10115, 10370, 10553, 11764, 12110, 14518, 14705, 17629, 20230, 20587, 20740, 21106, 24220, 29036, 29410, 35258, 36295, 40460, 41174, 42212, 49997, 52765, 58820, 70516, 72590, 73871, 82348, 88145, 99994, 102935, 105530, 123403, 145180, 147742, 176290, 179401, 199988, 205870, 211060, 246806, 249985, 295484, 349979, 352580, 358802, 369355, 411740, 493612, 499970, 617015, 699958, 717604, 738710, 897005, 999940, 1234030, 1255807, 1399916, 1477420, 1749895, 1794010, 2468060, 2511614, 3049817, 3499790, 3588020, 5023228, 6099634, 6279035, 6999580, 12199268, 12558070, 15249085, 21348719, 25116140, 30498170, 42697438, 60996340, 85394876, 106743595, 213487190, 426974380]

約数ペア:

[(1, 426974380), (2, 213487190), (4, 106743595), (5, 85394876), (7, 60996340), (10, 42697438), (14, 30498170), (17, 25116140), (20, 21348719), (28, 15249085), (34, 12558070), (35, 12199268), (61, 6999580), (68, 6279035), (70, 6099634), (85, 5023228), (119, 3588020), (122, 3499790), (140, 3049817), (170, 2511614), (173, 2468060), (238, 1794010), (244, 1749895), (289, 1477420), (305, 1399916), (340, 1255807), (346, 1234030), (427, 999940), (476, 897005), (578, 738710), (595, 717604), (610, 699958), (692, 617015), (854, 499970), (865, 493612), (1037, 411740), (1156, 369355), (1190, 358802), (1211, 352580), (1220, 349979), (1445, 295484), (1708, 249985), (1730, 246806), (2023, 211060), (2074, 205870), (2135, 199988), (2380, 179401), (2422, 176290), (2890, 147742), (2941, 145180), (3460, 123403), (4046, 105530), (4148, 102935), (4270, 99994), (4844, 88145), (5185, 82348), (5780, 73871), (5882, 72590), (6055, 70516), (7259, 58820), (8092, 52765), (8540, 49997), (10115, 42212), (10370, 41174), (10553, 40460), (11764, 36295), (12110, 35258), (14518, 29410), (14705, 29036), (17629, 24220), (20230, 21106), (20587, 20740)]