252837390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:514

約数の個数: 128

約数和(自身を含む): 693245952

約数和(自身を除く): 440408562

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 71, 78, 115, 130, 138, 142, 195, 213, 230, 299, 345, 355, 390, 397, 426, 598, 690, 710, 794, 897, 923, 1065, 1191, 1495, 1633, 1794, 1846, 1985, 2130, 2382, 2769, 2990, 3266, 3970, 4485, 4615, 4899, 5161, 5538, 5955, 8165, 8970, 9131, 9230, 9798, 10322, 11910, 13845, 15483, 16330, 18262, 21229, 24495, 25805, 27393, 27690, 28187, 30966, 42458, 45655, 48990, 51610, 54786, 56374, 63687, 77415, 84561, 91310, 106145, 118703, 127374, 136965, 140935, 154830, 169122, 212290, 237406, 273930, 281870, 318435, 356109, 366431, 422805, 593515, 636870, 648301, 712218, 732862, 845610, 1099293, 1187030, 1296602, 1780545, 1832155, 1944903, 2198586, 3241505, 3561090, 3664310, 3889806, 5496465, 6483010, 8427913, 9724515, 10992930, 16855826, 19449030, 25283739, 42139565, 50567478, 84279130, 126418695, 252837390]

約数ペア:

[(1, 252837390), (2, 126418695), (3, 84279130), (5, 50567478), (6, 42139565), (10, 25283739), (13, 19449030), (15, 16855826), (23, 10992930), (26, 9724515), (30, 8427913), (39, 6483010), (46, 5496465), (65, 3889806), (69, 3664310), (71, 3561090), (78, 3241505), (115, 2198586), (130, 1944903), (138, 1832155), (142, 1780545), (195, 1296602), (213, 1187030), (230, 1099293), (299, 845610), (345, 732862), (355, 712218), (390, 648301), (397, 636870), (426, 593515), (598, 422805), (690, 366431), (710, 356109), (794, 318435), (897, 281870), (923, 273930), (1065, 237406), (1191, 212290), (1495, 169122), (1633, 154830), (1794, 140935), (1846, 136965), (1985, 127374), (2130, 118703), (2382, 106145), (2769, 91310), (2990, 84561), (3266, 77415), (3970, 63687), (4485, 56374), (4615, 54786), (4899, 51610), (5161, 48990), (5538, 45655), (5955, 42458), (8165, 30966), (8970, 28187), (9131, 27690), (9230, 27393), (9798, 25805), (10322, 24495), (11910, 21229), (13845, 18262), (15483, 16330)]