258190140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331013}}^1$

素因数の和:331038

約数の個数: 48

約数和(自身を含む): 778544928

約数和(自身を除く): 520354788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 331013, 662026, 993039, 1324052, 1655065, 1986078, 3310130, 3972156, 4303169, 4965195, 6620260, 8606338, 9930390, 12909507, 17212676, 19860780, 21515845, 25819014, 43031690, 51638028, 64547535, 86063380, 129095070, 258190140]

約数ペア:

[(1, 258190140), (2, 129095070), (3, 86063380), (4, 64547535), (5, 51638028), (6, 43031690), (10, 25819014), (12, 21515845), (13, 19860780), (15, 17212676), (20, 12909507), (26, 9930390), (30, 8606338), (39, 6620260), (52, 4965195), (60, 4303169), (65, 3972156), (78, 3310130), (130, 1986078), (156, 1655065), (195, 1324052), (260, 993039), (390, 662026), (780, 331013)]