317910040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2745

約数の個数: 96

約数和(自身を含む): 846039600

約数和(自身を除く): 528129560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 392, 427, 488, 490, 610, 854, 980, 1220, 1708, 1960, 2135, 2440, 2659, 2989, 3416, 4270, 5318, 5978, 8540, 10636, 11956, 13295, 14945, 17080, 18613, 21272, 23912, 26590, 29890, 37226, 53180, 59780, 74452, 93065, 106360, 119560, 130291, 148904, 162199, 186130, 260582, 324398, 372260, 521164, 648796, 651455, 744520, 810995, 1042328, 1135393, 1297592, 1302910, 1621990, 2270786, 2605820, 3243980, 4541572, 5211640, 5676965, 6487960, 7947751, 9083144, 11353930, 15895502, 22707860, 31791004, 39738755, 45415720, 63582008, 79477510, 158955020, 317910040]

約数ペア:

[(1, 317910040), (2, 158955020), (4, 79477510), (5, 63582008), (7, 45415720), (8, 39738755), (10, 31791004), (14, 22707860), (20, 15895502), (28, 11353930), (35, 9083144), (40, 7947751), (49, 6487960), (56, 5676965), (61, 5211640), (70, 4541572), (98, 3243980), (122, 2605820), (140, 2270786), (196, 1621990), (244, 1302910), (245, 1297592), (280, 1135393), (305, 1042328), (392, 810995), (427, 744520), (488, 651455), (490, 648796), (610, 521164), (854, 372260), (980, 324398), (1220, 260582), (1708, 186130), (1960, 162199), (2135, 148904), (2440, 130291), (2659, 119560), (2989, 106360), (3416, 93065), (4270, 74452), (5318, 59780), (5978, 53180), (8540, 37226), (10636, 29890), (11956, 26590), (13295, 23912), (14945, 21272), (17080, 18613)]