2181446540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{8623}}^1$

素因数の和:8791

約数の個数: 96

約数和(自身を含む): 5679421440

約数和(自身を除く): 3497974900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 139, 140, 182, 260, 278, 364, 455, 556, 695, 910, 973, 1390, 1807, 1820, 1946, 2780, 3614, 3892, 4865, 7228, 8623, 9035, 9730, 12649, 17246, 18070, 19460, 25298, 34492, 36140, 43115, 50596, 60361, 63245, 86230, 112099, 120722, 126490, 172460, 224198, 241444, 252980, 301805, 448396, 560495, 603610, 784693, 1120990, 1198597, 1207220, 1569386, 2241980, 2397194, 3138772, 3923465, 4794388, 5992985, 7846930, 8390179, 11985970, 15581761, 15693860, 16780358, 23971940, 31163522, 33560716, 41950895, 62327044, 77908805, 83901790, 109072327, 155817610, 167803580, 218144654, 311635220, 436289308, 545361635, 1090723270, 2181446540]

約数ペア:

[(1, 2181446540), (2, 1090723270), (4, 545361635), (5, 436289308), (7, 311635220), (10, 218144654), (13, 167803580), (14, 155817610), (20, 109072327), (26, 83901790), (28, 77908805), (35, 62327044), (52, 41950895), (65, 33560716), (70, 31163522), (91, 23971940), (130, 16780358), (139, 15693860), (140, 15581761), (182, 11985970), (260, 8390179), (278, 7846930), (364, 5992985), (455, 4794388), (556, 3923465), (695, 3138772), (910, 2397194), (973, 2241980), (1390, 1569386), (1807, 1207220), (1820, 1198597), (1946, 1120990), (2780, 784693), (3614, 603610), (3892, 560495), (4865, 448396), (7228, 301805), (8623, 252980), (9035, 241444), (9730, 224198), (12649, 172460), (17246, 126490), (18070, 120722), (19460, 112099), (25298, 86230), (34492, 63245), (36140, 60361), (43115, 50596)]