197375220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:814

約数の個数: 144

約数和(自身を含む): 687697920

約数和(自身を除く): 490322700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 383, 409, 420, 630, 766, 818, 1149, 1227, 1260, 1532, 1636, 1915, 2045, 2298, 2454, 2681, 2863, 3447, 3681, 3830, 4090, 4596, 4908, 5362, 5726, 5745, 6135, 6894, 7362, 7660, 8043, 8180, 8589, 10724, 11452, 11490, 12270, 13405, 13788, 14315, 14724, 16086, 17178, 17235, 18405, 22980, 24129, 24540, 25767, 26810, 28630, 32172, 34356, 34470, 36810, 40215, 42945, 48258, 51534, 53620, 57260, 68940, 73620, 80430, 85890, 96516, 103068, 120645, 128835, 156647, 160860, 171780, 241290, 257670, 313294, 469941, 482580, 515340, 626588, 783235, 939882, 1096529, 1409823, 1566470, 1879764, 2193058, 2349705, 2819646, 3132940, 3289587, 4386116, 4699410, 5482645, 5639292, 6579174, 7049115, 9398820, 9868761, 10965290, 13158348, 14098230, 16447935, 19737522, 21930580, 28196460, 32895870, 39475044, 49343805, 65791740, 98687610, 197375220]

約数ペア:

[(1, 197375220), (2, 98687610), (3, 65791740), (4, 49343805), (5, 39475044), (6, 32895870), (7, 28196460), (9, 21930580), (10, 19737522), (12, 16447935), (14, 14098230), (15, 13158348), (18, 10965290), (20, 9868761), (21, 9398820), (28, 7049115), (30, 6579174), (35, 5639292), (36, 5482645), (42, 4699410), (45, 4386116), (60, 3289587), (63, 3132940), (70, 2819646), (84, 2349705), (90, 2193058), (105, 1879764), (126, 1566470), (140, 1409823), (180, 1096529), (210, 939882), (252, 783235), (315, 626588), (383, 515340), (409, 482580), (420, 469941), (630, 313294), (766, 257670), (818, 241290), (1149, 171780), (1227, 160860), (1260, 156647), (1532, 128835), (1636, 120645), (1915, 103068), (2045, 96516), (2298, 85890), (2454, 80430), (2681, 73620), (2863, 68940), (3447, 57260), (3681, 53620), (3830, 51534), (4090, 48258), (4596, 42945), (4908, 40215), (5362, 36810), (5726, 34470), (5745, 34356), (6135, 32172), (6894, 28630), (7362, 26810), (7660, 25767), (8043, 24540), (8180, 24129), (8589, 22980), (10724, 18405), (11452, 17235), (11490, 17178), (12270, 16086), (13405, 14724), (13788, 14315)]