404631220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 1075576320

約数和(自身を除く): 670945100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 380, 434, 490, 532, 589, 620, 665, 701, 868, 931, 980, 1085, 1178, 1330, 1402, 1519, 1862, 2170, 2356, 2660, 2804, 2945, 3038, 3505, 3724, 4123, 4340, 4655, 4907, 5890, 6076, 7010, 7595, 8246, 9310, 9814, 11780, 13319, 14020, 15190, 16492, 18620, 19628, 20615, 21731, 24535, 26638, 28861, 30380, 34349, 41230, 43462, 49070, 53276, 57722, 66595, 68698, 82460, 86924, 93233, 98140, 108655, 115444, 133190, 137396, 144305, 152117, 171745, 186466, 217310, 266380, 288610, 304234, 343490, 372932, 412889, 434620, 466165, 577220, 608468, 652631, 686980, 760585, 825778, 932330, 1064819, 1305262, 1521170, 1651556, 1864660, 2064445, 2129638, 2610524, 2890223, 3042340, 3263155, 4128890, 4259276, 5324095, 5780446, 6526310, 8257780, 10648190, 11560892, 13052620, 14451115, 20231561, 21296380, 28902230, 40463122, 57804460, 80926244, 101157805, 202315610, 404631220]

約数ペア:

[(1, 404631220), (2, 202315610), (4, 101157805), (5, 80926244), (7, 57804460), (10, 40463122), (14, 28902230), (19, 21296380), (20, 20231561), (28, 14451115), (31, 13052620), (35, 11560892), (38, 10648190), (49, 8257780), (62, 6526310), (70, 5780446), (76, 5324095), (95, 4259276), (98, 4128890), (124, 3263155), (133, 3042340), (140, 2890223), (155, 2610524), (190, 2129638), (196, 2064445), (217, 1864660), (245, 1651556), (266, 1521170), (310, 1305262), (380, 1064819), (434, 932330), (490, 825778), (532, 760585), (589, 686980), (620, 652631), (665, 608468), (701, 577220), (868, 466165), (931, 434620), (980, 412889), (1085, 372932), (1178, 343490), (1330, 304234), (1402, 288610), (1519, 266380), (1862, 217310), (2170, 186466), (2356, 171745), (2660, 152117), (2804, 144305), (2945, 137396), (3038, 133190), (3505, 115444), (3724, 108655), (4123, 98140), (4340, 93233), (4655, 86924), (4907, 82460), (5890, 68698), (6076, 66595), (7010, 57722), (7595, 53276), (8246, 49070), (9310, 43462), (9814, 41230), (11780, 34349), (13319, 30380), (14020, 28861), (15190, 26638), (16492, 24535), (18620, 21731), (19628, 20615)]