84281260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 209986560

約数和(自身を除く): 125705300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 71, 122, 139, 140, 142, 244, 278, 284, 305, 355, 427, 497, 556, 610, 695, 710, 854, 973, 994, 1220, 1390, 1420, 1708, 1946, 1988, 2135, 2485, 2780, 3892, 4270, 4331, 4865, 4970, 8479, 8540, 8662, 9730, 9869, 9940, 16958, 17324, 19460, 19738, 21655, 30317, 33916, 39476, 42395, 43310, 49345, 59353, 60634, 69083, 84790, 86620, 98690, 118706, 121268, 138166, 151585, 169580, 197380, 237412, 276332, 296765, 303170, 345415, 593530, 602009, 606340, 690830, 1187060, 1204018, 1381660, 2408036, 3010045, 4214063, 6020090, 8428126, 12040180, 16856252, 21070315, 42140630, 84281260]

約数ペア:

[(1, 84281260), (2, 42140630), (4, 21070315), (5, 16856252), (7, 12040180), (10, 8428126), (14, 6020090), (20, 4214063), (28, 3010045), (35, 2408036), (61, 1381660), (70, 1204018), (71, 1187060), (122, 690830), (139, 606340), (140, 602009), (142, 593530), (244, 345415), (278, 303170), (284, 296765), (305, 276332), (355, 237412), (427, 197380), (497, 169580), (556, 151585), (610, 138166), (695, 121268), (710, 118706), (854, 98690), (973, 86620), (994, 84790), (1220, 69083), (1390, 60634), (1420, 59353), (1708, 49345), (1946, 43310), (1988, 42395), (2135, 39476), (2485, 33916), (2780, 30317), (3892, 21655), (4270, 19738), (4331, 19460), (4865, 17324), (4970, 16958), (8479, 9940), (8540, 9869), (8662, 9730)]