2019100000

素因数分解:

$2^5\times 5^5\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 144

約数和(自身を含む): 5065269552

約数和(自身を除く): 3046169552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 100, 122, 125, 160, 200, 244, 250, 305, 331, 400, 488, 500, 610, 625, 662, 800, 976, 1000, 1220, 1250, 1324, 1525, 1655, 1952, 2000, 2440, 2500, 2648, 3050, 3125, 3310, 4000, 4880, 5000, 5296, 6100, 6250, 6620, 7625, 8275, 9760, 10000, 10592, 12200, 12500, 13240, 15250, 16550, 20000, 20191, 24400, 25000, 26480, 30500, 33100, 38125, 40382, 41375, 48800, 50000, 52960, 61000, 66200, 76250, 80764, 82750, 100000, 100955, 122000, 132400, 152500, 161528, 165500, 190625, 201910, 206875, 244000, 264800, 305000, 323056, 331000, 381250, 403820, 413750, 504775, 610000, 646112, 662000, 762500, 807640, 827500, 1009550, 1034375, 1220000, 1324000, 1525000, 1615280, 1655000, 2019100, 2068750, 2523875, 3050000, 3230560, 3310000, 4038200, 4137500, 5047750, 6100000, 6620000, 8076400, 8275000, 10095500, 12619375, 16152800, 16550000, 20191000, 25238750, 33100000, 40382000, 50477500, 63096875, 80764000, 100955000, 126193750, 201910000, 252387500, 403820000, 504775000, 1009550000, 2019100000]

約数ペア:

[(1, 2019100000), (2, 1009550000), (4, 504775000), (5, 403820000), (8, 252387500), (10, 201910000), (16, 126193750), (20, 100955000), (25, 80764000), (32, 63096875), (40, 50477500), (50, 40382000), (61, 33100000), (80, 25238750), (100, 20191000), (122, 16550000), (125, 16152800), (160, 12619375), (200, 10095500), (244, 8275000), (250, 8076400), (305, 6620000), (331, 6100000), (400, 5047750), (488, 4137500), (500, 4038200), (610, 3310000), (625, 3230560), (662, 3050000), (800, 2523875), (976, 2068750), (1000, 2019100), (1220, 1655000), (1250, 1615280), (1324, 1525000), (1525, 1324000), (1655, 1220000), (1952, 1034375), (2000, 1009550), (2440, 827500), (2500, 807640), (2648, 762500), (3050, 662000), (3125, 646112), (3310, 610000), (4000, 504775), (4880, 413750), (5000, 403820), (5296, 381250), (6100, 331000), (6250, 323056), (6620, 305000), (7625, 264800), (8275, 244000), (9760, 206875), (10000, 201910), (10592, 190625), (12200, 165500), (12500, 161528), (13240, 152500), (15250, 132400), (16550, 122000), (20000, 100955), (20191, 100000), (24400, 82750), (25000, 80764), (26480, 76250), (30500, 66200), (33100, 61000), (38125, 52960), (40382, 50000), (41375, 48800)]