52181990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 112250880

約数和(自身を除く): 60068890

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 139, 155, 173, 217, 278, 310, 346, 434, 695, 865, 973, 1085, 1211, 1390, 1730, 1946, 2170, 2422, 4309, 4865, 5363, 6055, 8618, 9730, 10726, 12110, 21545, 24047, 26815, 30163, 37541, 43090, 48094, 53630, 60326, 75082, 120235, 150815, 168329, 187705, 240470, 301630, 336658, 375410, 745457, 841645, 1490914, 1683290, 3727285, 5218199, 7454570, 10436398, 26090995, 52181990]

約数ペア:

[(1, 52181990), (2, 26090995), (5, 10436398), (7, 7454570), (10, 5218199), (14, 3727285), (31, 1683290), (35, 1490914), (62, 841645), (70, 745457), (139, 375410), (155, 336658), (173, 301630), (217, 240470), (278, 187705), (310, 168329), (346, 150815), (434, 120235), (695, 75082), (865, 60326), (973, 53630), (1085, 48094), (1211, 43090), (1390, 37541), (1730, 30163), (1946, 26815), (2170, 24047), (2422, 21545), (4309, 12110), (4865, 10726), (5363, 9730), (6055, 8618)]