420365868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 1145521440

約数和(自身を除く): 725155572

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 89, 102, 137, 156, 169, 178, 204, 221, 267, 274, 338, 356, 411, 442, 507, 534, 548, 663, 676, 822, 884, 1014, 1068, 1157, 1326, 1513, 1644, 1781, 2028, 2314, 2329, 2652, 2873, 3026, 3471, 3562, 4539, 4628, 4658, 5343, 5746, 6052, 6942, 6987, 7124, 8619, 9078, 9316, 10686, 11492, 12193, 13884, 13974, 15041, 17238, 18156, 19669, 21372, 23153, 24386, 27948, 30082, 30277, 34476, 36579, 39338, 45123, 46306, 48772, 59007, 60164, 60554, 69459, 73158, 78676, 90246, 90831, 92612, 118014, 121108, 138918, 146316, 158509, 180492, 181662, 207281, 236028, 255697, 277836, 317018, 363324, 393601, 414562, 475527, 511394, 621843, 634036, 767091, 787202, 829124, 951054, 1022788, 1180803, 1243686, 1534182, 1574404, 1902108, 2060617, 2361606, 2487372, 2694653, 3068364, 4121234, 4723212, 5389306, 6181851, 8083959, 8242468, 10778612, 12363702, 16167918, 24727404, 32335836, 35030489, 70060978, 105091467, 140121956, 210182934, 420365868]

約数ペア:

[(1, 420365868), (2, 210182934), (3, 140121956), (4, 105091467), (6, 70060978), (12, 35030489), (13, 32335836), (17, 24727404), (26, 16167918), (34, 12363702), (39, 10778612), (51, 8242468), (52, 8083959), (68, 6181851), (78, 5389306), (89, 4723212), (102, 4121234), (137, 3068364), (156, 2694653), (169, 2487372), (178, 2361606), (204, 2060617), (221, 1902108), (267, 1574404), (274, 1534182), (338, 1243686), (356, 1180803), (411, 1022788), (442, 951054), (507, 829124), (534, 787202), (548, 767091), (663, 634036), (676, 621843), (822, 511394), (884, 475527), (1014, 414562), (1068, 393601), (1157, 363324), (1326, 317018), (1513, 277836), (1644, 255697), (1781, 236028), (2028, 207281), (2314, 181662), (2329, 180492), (2652, 158509), (2873, 146316), (3026, 138918), (3471, 121108), (3562, 118014), (4539, 92612), (4628, 90831), (4658, 90246), (5343, 78676), (5746, 73158), (6052, 69459), (6942, 60554), (6987, 60164), (7124, 59007), (8619, 48772), (9078, 46306), (9316, 45123), (10686, 39338), (11492, 36579), (12193, 34476), (13884, 30277), (13974, 30082), (15041, 27948), (17238, 24386), (18156, 23153), (19669, 21372)]