1657647940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 3812145120

約数和(自身を除く): 2154497180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 173, 260, 269, 274, 346, 538, 548, 685, 692, 865, 1076, 1345, 1370, 1730, 1781, 2249, 2690, 2740, 3460, 3497, 3562, 4498, 5380, 6994, 7124, 8905, 8996, 11245, 13988, 17485, 17810, 22490, 23701, 34970, 35620, 36853, 44980, 46537, 47402, 69940, 73706, 93074, 94804, 118505, 147412, 184265, 186148, 232685, 237010, 308113, 368530, 465370, 474020, 479089, 604981, 616226, 737060, 930740, 958178, 1209962, 1232452, 1540565, 1916356, 2395445, 2419924, 3024905, 3081130, 4790890, 6049810, 6162260, 6375569, 9581780, 12099620, 12751138, 25502276, 31877845, 63755690, 82882397, 127511380, 165764794, 331529588, 414411985, 828823970, 1657647940]

約数ペア:

[(1, 1657647940), (2, 828823970), (4, 414411985), (5, 331529588), (10, 165764794), (13, 127511380), (20, 82882397), (26, 63755690), (52, 31877845), (65, 25502276), (130, 12751138), (137, 12099620), (173, 9581780), (260, 6375569), (269, 6162260), (274, 6049810), (346, 4790890), (538, 3081130), (548, 3024905), (685, 2419924), (692, 2395445), (865, 1916356), (1076, 1540565), (1345, 1232452), (1370, 1209962), (1730, 958178), (1781, 930740), (2249, 737060), (2690, 616226), (2740, 604981), (3460, 479089), (3497, 474020), (3562, 465370), (4498, 368530), (5380, 308113), (6994, 237010), (7124, 232685), (8905, 186148), (8996, 184265), (11245, 147412), (13988, 118505), (17485, 94804), (17810, 93074), (22490, 73706), (23701, 69940), (34970, 47402), (35620, 46537), (36853, 44980)]