400133440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2544

約数の個数: 112

約数和(自身を含む): 1104302592

約数和(自身を除く): 704169152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 730, 1022, 1120, 1168, 1460, 2044, 2240, 2336, 2447, 2555, 2920, 4088, 4672, 4894, 5110, 5840, 8176, 9788, 10220, 11680, 12235, 16352, 17129, 19576, 20440, 23360, 24470, 32704, 34258, 39152, 40880, 48940, 68516, 78304, 81760, 85645, 97880, 137032, 156608, 163520, 171290, 178631, 195760, 274064, 342580, 357262, 391520, 548128, 685160, 714524, 783040, 893155, 1096256, 1250417, 1370320, 1429048, 1786310, 2500834, 2740640, 2858096, 3572620, 5001668, 5481280, 5716192, 6252085, 7145240, 10003336, 11432384, 12504170, 14290480, 20006672, 25008340, 28580960, 40013344, 50016680, 57161920, 80026688, 100033360, 200066720, 400133440]

約数ペア:

[(1, 400133440), (2, 200066720), (4, 100033360), (5, 80026688), (7, 57161920), (8, 50016680), (10, 40013344), (14, 28580960), (16, 25008340), (20, 20006672), (28, 14290480), (32, 12504170), (35, 11432384), (40, 10003336), (56, 7145240), (64, 6252085), (70, 5716192), (73, 5481280), (80, 5001668), (112, 3572620), (140, 2858096), (146, 2740640), (160, 2500834), (224, 1786310), (280, 1429048), (292, 1370320), (320, 1250417), (365, 1096256), (448, 893155), (511, 783040), (560, 714524), (584, 685160), (730, 548128), (1022, 391520), (1120, 357262), (1168, 342580), (1460, 274064), (2044, 195760), (2240, 178631), (2336, 171290), (2447, 163520), (2555, 156608), (2920, 137032), (4088, 97880), (4672, 85645), (4894, 81760), (5110, 78304), (5840, 68516), (8176, 48940), (9788, 40880), (10220, 39152), (11680, 34258), (12235, 32704), (16352, 24470), (17129, 23360), (19576, 20440)]