405615900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 1207422720

約数和(自身を除く): 801806820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 71, 75, 100, 137, 139, 142, 150, 213, 274, 278, 284, 300, 355, 411, 417, 426, 548, 556, 685, 695, 710, 822, 834, 852, 1065, 1370, 1390, 1420, 1644, 1668, 1775, 2055, 2085, 2130, 2740, 2780, 3425, 3475, 3550, 4110, 4170, 4260, 5325, 6850, 6950, 7100, 8220, 8340, 9727, 9869, 10275, 10425, 10650, 13700, 13900, 19043, 19454, 19738, 20550, 20850, 21300, 29181, 29607, 38086, 38908, 39476, 41100, 41700, 48635, 49345, 57129, 58362, 59214, 76172, 95215, 97270, 98690, 114258, 116724, 118428, 145905, 148035, 190430, 194540, 197380, 228516, 243175, 246725, 285645, 291810, 296070, 380860, 476075, 486350, 493450, 571290, 583620, 592140, 729525, 740175, 952150, 972700, 986900, 1142580, 1352053, 1428225, 1459050, 1480350, 1904300, 2704106, 2856450, 2918100, 2960700, 4056159, 5408212, 5712900, 6760265, 8112318, 13520530, 16224636, 20280795, 27041060, 33801325, 40561590, 67602650, 81123180, 101403975, 135205300, 202807950, 405615900]

約数ペア:

[(1, 405615900), (2, 202807950), (3, 135205300), (4, 101403975), (5, 81123180), (6, 67602650), (10, 40561590), (12, 33801325), (15, 27041060), (20, 20280795), (25, 16224636), (30, 13520530), (50, 8112318), (60, 6760265), (71, 5712900), (75, 5408212), (100, 4056159), (137, 2960700), (139, 2918100), (142, 2856450), (150, 2704106), (213, 1904300), (274, 1480350), (278, 1459050), (284, 1428225), (300, 1352053), (355, 1142580), (411, 986900), (417, 972700), (426, 952150), (548, 740175), (556, 729525), (685, 592140), (695, 583620), (710, 571290), (822, 493450), (834, 486350), (852, 476075), (1065, 380860), (1370, 296070), (1390, 291810), (1420, 285645), (1644, 246725), (1668, 243175), (1775, 228516), (2055, 197380), (2085, 194540), (2130, 190430), (2740, 148035), (2780, 145905), (3425, 118428), (3475, 116724), (3550, 114258), (4110, 98690), (4170, 97270), (4260, 95215), (5325, 76172), (6850, 59214), (6950, 58362), (7100, 57129), (8220, 49345), (8340, 48635), (9727, 41700), (9869, 41100), (10275, 39476), (10425, 38908), (10650, 38086), (13700, 29607), (13900, 29181), (19043, 21300), (19454, 20850), (19738, 20550)]