156976608680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{317227}}^1$

素因数の和:317466

約数の個数: 64

約数和(自身を含む): 359736552000

約数和(自身を除く): 202759943320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 139, 178, 278, 356, 445, 556, 695, 712, 890, 1112, 1390, 1780, 2780, 3560, 5560, 12371, 24742, 49484, 61855, 98968, 123710, 247420, 317227, 494840, 634454, 1268908, 1586135, 2537816, 3172270, 6344540, 12689080, 28233203, 44094553, 56466406, 88189106, 112932812, 141166015, 176378212, 220472765, 225865624, 282332030, 352756424, 440945530, 564664060, 881891060, 1129328120, 1763782120, 3924415217, 7848830434, 15697660868, 19622076085, 31395321736, 39244152170, 78488304340, 156976608680]

約数ペア:

[(1, 156976608680), (2, 78488304340), (4, 39244152170), (5, 31395321736), (8, 19622076085), (10, 15697660868), (20, 7848830434), (40, 3924415217), (89, 1763782120), (139, 1129328120), (178, 881891060), (278, 564664060), (356, 440945530), (445, 352756424), (556, 282332030), (695, 225865624), (712, 220472765), (890, 176378212), (1112, 141166015), (1390, 112932812), (1780, 88189106), (2780, 56466406), (3560, 44094553), (5560, 28233203), (12371, 12689080), (24742, 6344540), (49484, 3172270), (61855, 2537816), (98968, 1586135), (123710, 1268908), (247420, 634454), (317227, 494840)]