690408130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{467}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 1358622720

約数和(自身を除く): 668214590

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 251, 310, 467, 502, 589, 934, 1178, 1255, 2335, 2510, 2945, 4670, 4769, 5890, 7781, 8873, 9538, 14477, 15562, 17746, 23845, 28954, 38905, 44365, 47690, 72385, 77810, 88730, 117217, 144770, 147839, 234434, 275063, 295678, 550126, 586085, 739195, 1172170, 1375315, 1478390, 2227123, 2750630, 3633727, 4454246, 7267454, 11135615, 18168635, 22271230, 36337270, 69040813, 138081626, 345204065, 690408130]

約数ペア:

[(1, 690408130), (2, 345204065), (5, 138081626), (10, 69040813), (19, 36337270), (31, 22271230), (38, 18168635), (62, 11135615), (95, 7267454), (155, 4454246), (190, 3633727), (251, 2750630), (310, 2227123), (467, 1478390), (502, 1375315), (589, 1172170), (934, 739195), (1178, 586085), (1255, 550126), (2335, 295678), (2510, 275063), (2945, 234434), (4670, 147839), (4769, 144770), (5890, 117217), (7781, 88730), (8873, 77810), (9538, 72385), (14477, 47690), (15562, 44365), (17746, 38905), (23845, 28954)]