20145862450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{947}}^1$

素因数の和:1449

約数の個数: 144

約数和(自身を含む): 46032187680

約数和(自身を除く): 25886325230

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 133, 175, 190, 245, 266, 350, 457, 475, 490, 665, 914, 931, 947, 950, 1225, 1330, 1862, 1894, 2285, 2450, 3199, 3325, 4570, 4655, 4735, 6398, 6629, 6650, 8683, 9310, 9470, 11425, 13258, 15995, 17366, 17993, 22393, 22850, 23275, 23675, 31990, 33145, 35986, 43415, 44786, 46403, 46550, 47350, 60781, 66290, 79975, 86830, 89965, 92806, 111965, 121562, 125951, 159950, 165725, 179930, 217075, 223930, 232015, 251902, 303905, 331450, 425467, 432779, 434150, 449825, 464030, 559825, 607810, 629755, 850934, 865558, 881657, 899650, 1119650, 1160075, 1259510, 1519525, 1763314, 2127335, 2163895, 2320150, 3029453, 3039050, 3148775, 4254670, 4327790, 4408285, 6058906, 6297550, 8222801, 8816570, 10636675, 10819475, 15147265, 16445602, 21206171, 21273350, 21638950, 22041425, 30294530, 41114005, 42412342, 44082850, 57559607, 75736325, 82228010, 106030855, 115119214, 151472650, 205570025, 212061710, 287798035, 402917249, 411140050, 530154275, 575596070, 805834498, 1060308550, 1438990175, 2014586245, 2877980350, 4029172490, 10072931225, 20145862450]

約数ペア:

[(1, 20145862450), (2, 10072931225), (5, 4029172490), (7, 2877980350), (10, 2014586245), (14, 1438990175), (19, 1060308550), (25, 805834498), (35, 575596070), (38, 530154275), (49, 411140050), (50, 402917249), (70, 287798035), (95, 212061710), (98, 205570025), (133, 151472650), (175, 115119214), (190, 106030855), (245, 82228010), (266, 75736325), (350, 57559607), (457, 44082850), (475, 42412342), (490, 41114005), (665, 30294530), (914, 22041425), (931, 21638950), (947, 21273350), (950, 21206171), (1225, 16445602), (1330, 15147265), (1862, 10819475), (1894, 10636675), (2285, 8816570), (2450, 8222801), (3199, 6297550), (3325, 6058906), (4570, 4408285), (4655, 4327790), (4735, 4254670), (6398, 3148775), (6629, 3039050), (6650, 3029453), (8683, 2320150), (9310, 2163895), (9470, 2127335), (11425, 1763314), (13258, 1519525), (15995, 1259510), (17366, 1160075), (17993, 1119650), (22393, 899650), (22850, 881657), (23275, 865558), (23675, 850934), (31990, 629755), (33145, 607810), (35986, 559825), (43415, 464030), (44786, 449825), (46403, 434150), (46550, 432779), (47350, 425467), (60781, 331450), (66290, 303905), (79975, 251902), (86830, 232015), (89965, 223930), (92806, 217075), (111965, 179930), (121562, 165725), (125951, 159950)]