194193920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2501

約数の個数: 80

約数和(自身を含む): 480826368

約数和(自身を除く): 286632448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2447, 2480, 2560, 3968, 4894, 4960, 7936, 9788, 9920, 12235, 15872, 19576, 19840, 24470, 39152, 39680, 48940, 75857, 78304, 79360, 97880, 151714, 156608, 195760, 303428, 313216, 379285, 391520, 606856, 626432, 758570, 783040, 1213712, 1252864, 1517140, 1566080, 2427424, 3034280, 3132160, 4854848, 6068560, 6264320, 9709696, 12137120, 19419392, 24274240, 38838784, 48548480, 97096960, 194193920]

約数ペア:

[(1, 194193920), (2, 97096960), (4, 48548480), (5, 38838784), (8, 24274240), (10, 19419392), (16, 12137120), (20, 9709696), (31, 6264320), (32, 6068560), (40, 4854848), (62, 3132160), (64, 3034280), (80, 2427424), (124, 1566080), (128, 1517140), (155, 1252864), (160, 1213712), (248, 783040), (256, 758570), (310, 626432), (320, 606856), (496, 391520), (512, 379285), (620, 313216), (640, 303428), (992, 195760), (1240, 156608), (1280, 151714), (1984, 97880), (2447, 79360), (2480, 78304), (2560, 75857), (3968, 48940), (4894, 39680), (4960, 39152), (7936, 24470), (9788, 19840), (9920, 19576), (12235, 15872)]