215102831720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1474519}}^1$

素因数の和:1475058

約数の個数: 64

約数和(自身を含む): 554183596800

約数和(自身を除く): 339080765080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 1042, 2084, 2605, 3647, 4168, 5210, 7294, 10420, 14588, 18235, 20840, 29176, 36470, 72940, 145880, 1474519, 2949038, 5898076, 7372595, 10321633, 11796152, 14745190, 20643266, 29490380, 41286532, 51608165, 58980760, 82573064, 103216330, 206432660, 412865320, 768224399, 1536448798, 3072897596, 3841121995, 5377570793, 6145795192, 7682243990, 10755141586, 15364487980, 21510283172, 26887853965, 30728975960, 43020566344, 53775707930, 107551415860, 215102831720]

約数ペア:

[(1, 215102831720), (2, 107551415860), (4, 53775707930), (5, 43020566344), (7, 30728975960), (8, 26887853965), (10, 21510283172), (14, 15364487980), (20, 10755141586), (28, 7682243990), (35, 6145795192), (40, 5377570793), (56, 3841121995), (70, 3072897596), (140, 1536448798), (280, 768224399), (521, 412865320), (1042, 206432660), (2084, 103216330), (2605, 82573064), (3647, 58980760), (4168, 51608165), (5210, 41286532), (7294, 29490380), (10420, 20643266), (14588, 14745190), (18235, 11796152), (20840, 10321633), (29176, 7372595), (36470, 5898076), (72940, 2949038), (145880, 1474519)]