880019540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 1949391360

約数和(自身を除く): 1069371820

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 89, 94, 134, 157, 178, 188, 235, 268, 314, 335, 356, 445, 470, 628, 670, 785, 890, 940, 1340, 1570, 1780, 3140, 3149, 4183, 5963, 6298, 7379, 8366, 10519, 11926, 12596, 13973, 14758, 15745, 16732, 20915, 21038, 23852, 27946, 29516, 29815, 31490, 36895, 41830, 42076, 52595, 55892, 59630, 62980, 69865, 73790, 83660, 105190, 119260, 139730, 147580, 210380, 279460, 280261, 494393, 560522, 656731, 936191, 988786, 1121044, 1313462, 1401305, 1872382, 1977572, 2471965, 2626924, 2802610, 3283655, 3744764, 4680955, 4943930, 5605220, 6567310, 9361910, 9887860, 13134620, 18723820, 44000977, 88001954, 176003908, 220004885, 440009770, 880019540]

約数ペア:

[(1, 880019540), (2, 440009770), (4, 220004885), (5, 176003908), (10, 88001954), (20, 44000977), (47, 18723820), (67, 13134620), (89, 9887860), (94, 9361910), (134, 6567310), (157, 5605220), (178, 4943930), (188, 4680955), (235, 3744764), (268, 3283655), (314, 2802610), (335, 2626924), (356, 2471965), (445, 1977572), (470, 1872382), (628, 1401305), (670, 1313462), (785, 1121044), (890, 988786), (940, 936191), (1340, 656731), (1570, 560522), (1780, 494393), (3140, 280261), (3149, 279460), (4183, 210380), (5963, 147580), (6298, 139730), (7379, 119260), (8366, 105190), (10519, 83660), (11926, 73790), (12596, 69865), (13973, 62980), (14758, 59630), (15745, 55892), (16732, 52595), (20915, 42076), (21038, 41830), (23852, 36895), (27946, 31490), (29516, 29815)]