200421780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{977}}^1$

素因数の和:1265

約数の個数: 96

約数和(自身を含む): 607267584

約数和(自身を除く): 406845804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 263, 390, 526, 780, 789, 977, 1052, 1315, 1578, 1954, 2630, 2931, 3156, 3419, 3908, 3945, 4885, 5260, 5862, 6838, 7890, 9770, 10257, 11724, 12701, 13676, 14655, 15780, 17095, 19540, 20514, 25402, 29310, 34190, 38103, 41028, 50804, 51285, 58620, 63505, 68380, 76206, 102570, 127010, 152412, 190515, 205140, 254020, 256951, 381030, 513902, 762060, 770853, 1027804, 1284755, 1541706, 2569510, 3083412, 3340363, 3854265, 5139020, 6680726, 7708530, 10021089, 13361452, 15417060, 16701815, 20042178, 33403630, 40084356, 50105445, 66807260, 100210890, 200421780]

約数ペア:

[(1, 200421780), (2, 100210890), (3, 66807260), (4, 50105445), (5, 40084356), (6, 33403630), (10, 20042178), (12, 16701815), (13, 15417060), (15, 13361452), (20, 10021089), (26, 7708530), (30, 6680726), (39, 5139020), (52, 3854265), (60, 3340363), (65, 3083412), (78, 2569510), (130, 1541706), (156, 1284755), (195, 1027804), (260, 770853), (263, 762060), (390, 513902), (526, 381030), (780, 256951), (789, 254020), (977, 205140), (1052, 190515), (1315, 152412), (1578, 127010), (1954, 102570), (2630, 76206), (2931, 68380), (3156, 63505), (3419, 58620), (3908, 51285), (3945, 50804), (4885, 41028), (5260, 38103), (5862, 34190), (6838, 29310), (7890, 25402), (9770, 20514), (10257, 19540), (11724, 17095), (12701, 15780), (13676, 14655)]