2220789616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 4613990400

約数和(自身を除く): 2393200784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 151, 152, 202, 302, 304, 404, 479, 604, 808, 958, 1208, 1616, 1916, 1919, 2416, 2869, 3832, 3838, 5738, 7664, 7676, 9101, 11476, 15251, 15352, 18202, 22952, 30502, 30704, 36404, 45904, 48379, 61004, 72329, 72808, 96758, 122008, 144658, 145616, 193516, 244016, 289316, 289769, 387032, 578632, 579538, 774064, 919201, 1157264, 1159076, 1374251, 1838402, 2318152, 2748502, 3676804, 4636304, 5497004, 7305229, 7353608, 10994008, 14610458, 14707216, 21988016, 29220916, 58441832, 116883664, 138799351, 277598702, 555197404, 1110394808, 2220789616]

約数ペア:

[(1, 2220789616), (2, 1110394808), (4, 555197404), (8, 277598702), (16, 138799351), (19, 116883664), (38, 58441832), (76, 29220916), (101, 21988016), (151, 14707216), (152, 14610458), (202, 10994008), (302, 7353608), (304, 7305229), (404, 5497004), (479, 4636304), (604, 3676804), (808, 2748502), (958, 2318152), (1208, 1838402), (1616, 1374251), (1916, 1159076), (1919, 1157264), (2416, 919201), (2869, 774064), (3832, 579538), (3838, 578632), (5738, 387032), (7664, 289769), (7676, 289316), (9101, 244016), (11476, 193516), (15251, 145616), (15352, 144658), (18202, 122008), (22952, 96758), (30502, 72808), (30704, 72329), (36404, 61004), (45904, 48379)]