220363780

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 583033752

約数和(自身を除く): 362669972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 353, 364, 455, 490, 637, 686, 706, 910, 980, 1274, 1372, 1412, 1715, 1765, 1820, 2401, 2471, 2548, 3185, 3430, 3530, 4459, 4589, 4802, 4942, 6370, 6860, 7060, 8918, 9178, 9604, 9884, 12005, 12355, 12740, 17297, 17836, 18356, 22295, 22945, 24010, 24710, 31213, 32123, 34594, 44590, 45890, 48020, 49420, 62426, 64246, 69188, 86485, 89180, 91780, 121079, 124852, 128492, 156065, 160615, 172970, 224861, 242158, 312130, 321230, 345940, 449722, 484316, 605395, 624260, 642460, 847553, 899444, 1124305, 1210790, 1574027, 1695106, 2248610, 2421580, 3148054, 3390212, 4237765, 4497220, 6296108, 7870135, 8475530, 11018189, 15740270, 16951060, 22036378, 31480540, 44072756, 55090945, 110181890, 220363780]

約数ペア:

[(1, 220363780), (2, 110181890), (4, 55090945), (5, 44072756), (7, 31480540), (10, 22036378), (13, 16951060), (14, 15740270), (20, 11018189), (26, 8475530), (28, 7870135), (35, 6296108), (49, 4497220), (52, 4237765), (65, 3390212), (70, 3148054), (91, 2421580), (98, 2248610), (130, 1695106), (140, 1574027), (182, 1210790), (196, 1124305), (245, 899444), (260, 847553), (343, 642460), (353, 624260), (364, 605395), (455, 484316), (490, 449722), (637, 345940), (686, 321230), (706, 312130), (910, 242158), (980, 224861), (1274, 172970), (1372, 160615), (1412, 156065), (1715, 128492), (1765, 124852), (1820, 121079), (2401, 91780), (2471, 89180), (2548, 86485), (3185, 69188), (3430, 64246), (3530, 62426), (4459, 49420), (4589, 48020), (4802, 45890), (4942, 44590), (6370, 34594), (6860, 32123), (7060, 31213), (8918, 24710), (9178, 24010), (9604, 22945), (9884, 22295), (12005, 18356), (12355, 17836), (12740, 17297)]