213867220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 529966080

約数和(自身を除く): 316098860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 79, 122, 140, 158, 244, 305, 316, 317, 395, 427, 553, 610, 634, 790, 854, 1106, 1220, 1268, 1580, 1585, 1708, 2135, 2212, 2219, 2765, 3170, 4270, 4438, 4819, 5530, 6340, 8540, 8876, 9638, 11060, 11095, 19276, 19337, 22190, 24095, 25043, 33733, 38674, 44380, 48190, 50086, 67466, 77348, 96380, 96685, 100172, 125215, 134932, 135359, 168665, 175301, 193370, 250430, 270718, 337330, 350602, 386740, 500860, 541436, 674660, 676795, 701204, 876505, 1353590, 1527623, 1753010, 2707180, 3055246, 3506020, 6110492, 7638115, 10693361, 15276230, 21386722, 30552460, 42773444, 53466805, 106933610, 213867220]

約数ペア:

[(1, 213867220), (2, 106933610), (4, 53466805), (5, 42773444), (7, 30552460), (10, 21386722), (14, 15276230), (20, 10693361), (28, 7638115), (35, 6110492), (61, 3506020), (70, 3055246), (79, 2707180), (122, 1753010), (140, 1527623), (158, 1353590), (244, 876505), (305, 701204), (316, 676795), (317, 674660), (395, 541436), (427, 500860), (553, 386740), (610, 350602), (634, 337330), (790, 270718), (854, 250430), (1106, 193370), (1220, 175301), (1268, 168665), (1580, 135359), (1585, 134932), (1708, 125215), (2135, 100172), (2212, 96685), (2219, 96380), (2765, 77348), (3170, 67466), (4270, 50086), (4438, 48190), (4819, 44380), (5530, 38674), (6340, 33733), (8540, 25043), (8876, 24095), (9638, 22190), (11060, 19337), (11095, 19276)]