998366980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2287}}^1$

素因数の和:2405

約数の個数: 96

約数和(自身を含む): 2389330944

約数和(自身を除く): 1390963964

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 73, 92, 115, 130, 146, 230, 260, 292, 299, 365, 460, 598, 730, 949, 1196, 1460, 1495, 1679, 1898, 2287, 2990, 3358, 3796, 4574, 4745, 5980, 6716, 8395, 9148, 9490, 11435, 16790, 18980, 21827, 22870, 29731, 33580, 43654, 45740, 52601, 59462, 87308, 105202, 109135, 118924, 148655, 166951, 210404, 218270, 263005, 297310, 333902, 436540, 526010, 594620, 667804, 683813, 834755, 1052020, 1367626, 1669510, 2170363, 2735252, 3339020, 3419065, 3839873, 4340726, 6838130, 7679746, 8681452, 10851815, 13676260, 15359492, 19199365, 21703630, 38398730, 43407260, 49918349, 76797460, 99836698, 199673396, 249591745, 499183490, 998366980]

約数ペア:

[(1, 998366980), (2, 499183490), (4, 249591745), (5, 199673396), (10, 99836698), (13, 76797460), (20, 49918349), (23, 43407260), (26, 38398730), (46, 21703630), (52, 19199365), (65, 15359492), (73, 13676260), (92, 10851815), (115, 8681452), (130, 7679746), (146, 6838130), (230, 4340726), (260, 3839873), (292, 3419065), (299, 3339020), (365, 2735252), (460, 2170363), (598, 1669510), (730, 1367626), (949, 1052020), (1196, 834755), (1460, 683813), (1495, 667804), (1679, 594620), (1898, 526010), (2287, 436540), (2990, 333902), (3358, 297310), (3796, 263005), (4574, 218270), (4745, 210404), (5980, 166951), (6716, 148655), (8395, 118924), (9148, 109135), (9490, 105202), (11435, 87308), (16790, 59462), (18980, 52601), (21827, 45740), (22870, 43654), (29731, 33580)]