400715388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{829}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 1051377600

約数和(自身を除く): 650662212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 463, 522, 829, 926, 1044, 1389, 1658, 1852, 2487, 2778, 3316, 4167, 4974, 5556, 7461, 8334, 9948, 13427, 14922, 16668, 24041, 26854, 29844, 40281, 48082, 53708, 72123, 80562, 96164, 120843, 144246, 161124, 216369, 241686, 288492, 383827, 432738, 483372, 767654, 865476, 1151481, 1535308, 2302962, 3454443, 4605924, 6908886, 11130983, 13817772, 22261966, 33392949, 44523932, 66785898, 100178847, 133571796, 200357694, 400715388]

約数ペア:

[(1, 400715388), (2, 200357694), (3, 133571796), (4, 100178847), (6, 66785898), (9, 44523932), (12, 33392949), (18, 22261966), (29, 13817772), (36, 11130983), (58, 6908886), (87, 4605924), (116, 3454443), (174, 2302962), (261, 1535308), (348, 1151481), (463, 865476), (522, 767654), (829, 483372), (926, 432738), (1044, 383827), (1389, 288492), (1658, 241686), (1852, 216369), (2487, 161124), (2778, 144246), (3316, 120843), (4167, 96164), (4974, 80562), (5556, 72123), (7461, 53708), (8334, 48082), (9948, 40281), (13427, 29844), (14922, 26854), (16668, 24041)]