84639100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 230985216

約数和(自身を除く): 146346116

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 71, 91, 100, 130, 131, 140, 142, 175, 182, 260, 262, 284, 325, 350, 355, 364, 455, 497, 524, 650, 655, 700, 710, 910, 917, 923, 994, 1300, 1310, 1420, 1703, 1775, 1820, 1834, 1846, 1988, 2275, 2485, 2620, 3275, 3406, 3550, 3668, 3692, 4550, 4585, 4615, 4970, 6461, 6550, 6812, 7100, 8515, 9100, 9170, 9230, 9301, 9940, 11921, 12425, 12922, 13100, 17030, 18340, 18460, 18602, 22925, 23075, 23842, 24850, 25844, 32305, 34060, 37204, 42575, 45850, 46150, 46505, 47684, 49700, 59605, 64610, 65107, 85150, 91700, 92300, 93010, 119210, 120913, 129220, 130214, 161525, 170300, 186020, 232525, 238420, 241826, 260428, 298025, 323050, 325535, 465050, 483652, 596050, 604565, 646100, 651070, 846391, 930100, 1192100, 1209130, 1302140, 1627675, 1692782, 2418260, 3022825, 3255350, 3385564, 4231955, 6045650, 6510700, 8463910, 12091300, 16927820, 21159775, 42319550, 84639100]

約数ペア:

[(1, 84639100), (2, 42319550), (4, 21159775), (5, 16927820), (7, 12091300), (10, 8463910), (13, 6510700), (14, 6045650), (20, 4231955), (25, 3385564), (26, 3255350), (28, 3022825), (35, 2418260), (50, 1692782), (52, 1627675), (65, 1302140), (70, 1209130), (71, 1192100), (91, 930100), (100, 846391), (130, 651070), (131, 646100), (140, 604565), (142, 596050), (175, 483652), (182, 465050), (260, 325535), (262, 323050), (284, 298025), (325, 260428), (350, 241826), (355, 238420), (364, 232525), (455, 186020), (497, 170300), (524, 161525), (650, 130214), (655, 129220), (700, 120913), (710, 119210), (910, 93010), (917, 92300), (923, 91700), (994, 85150), (1300, 65107), (1310, 64610), (1420, 59605), (1703, 49700), (1775, 47684), (1820, 46505), (1834, 46150), (1846, 45850), (1988, 42575), (2275, 37204), (2485, 34060), (2620, 32305), (3275, 25844), (3406, 24850), (3550, 23842), (3668, 23075), (3692, 22925), (4550, 18602), (4585, 18460), (4615, 18340), (4970, 17030), (6461, 13100), (6550, 12922), (6812, 12425), (7100, 11921), (8515, 9940), (9100, 9301), (9170, 9230)]