715904540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{45139}}^1$

素因数の和:45222

約数の個数: 48

約数和(自身を含む): 1645623840

約数和(自身を除く): 929719300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 45139, 90278, 180556, 225695, 451390, 586807, 902780, 1173614, 2347228, 2753479, 2934035, 5506958, 5868070, 11013916, 11736140, 13767395, 27534790, 35795227, 55069580, 71590454, 143180908, 178976135, 357952270, 715904540]

約数ペア:

[(1, 715904540), (2, 357952270), (4, 178976135), (5, 143180908), (10, 71590454), (13, 55069580), (20, 35795227), (26, 27534790), (52, 13767395), (61, 11736140), (65, 11013916), (122, 5868070), (130, 5506958), (244, 2934035), (260, 2753479), (305, 2347228), (610, 1173614), (793, 902780), (1220, 586807), (1586, 451390), (3172, 225695), (3965, 180556), (7930, 90278), (15860, 45139)]