213567900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7823}}^1$

素因数の和:7860

約数の個数: 144

約数和(自身を含む): 760617984

約数和(自身を除く): 547050084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 5460, 6825, 7823, 9100, 13650, 15646, 23469, 27300, 31292, 39115, 46938, 54761, 78230, 93876, 101699, 109522, 117345, 156460, 164283, 195575, 203398, 219044, 234690, 273805, 305097, 328566, 391150, 406796, 469380, 508495, 547610, 586725, 610194, 657132, 711893, 782300, 821415, 1016990, 1095220, 1173450, 1220388, 1369025, 1423786, 1525485, 1642830, 2033980, 2135679, 2346900, 2542475, 2738050, 2847572, 3050970, 3285660, 3559465, 4107075, 4271358, 5084950, 5476100, 6101940, 7118930, 7627425, 8214150, 8542716, 10169900, 10678395, 14237860, 15254850, 16428300, 17797325, 21356790, 30509700, 35594650, 42713580, 53391975, 71189300, 106783950, 213567900]

約数ペア:

[(1, 213567900), (2, 106783950), (3, 71189300), (4, 53391975), (5, 42713580), (6, 35594650), (7, 30509700), (10, 21356790), (12, 17797325), (13, 16428300), (14, 15254850), (15, 14237860), (20, 10678395), (21, 10169900), (25, 8542716), (26, 8214150), (28, 7627425), (30, 7118930), (35, 6101940), (39, 5476100), (42, 5084950), (50, 4271358), (52, 4107075), (60, 3559465), (65, 3285660), (70, 3050970), (75, 2847572), (78, 2738050), (84, 2542475), (91, 2346900), (100, 2135679), (105, 2033980), (130, 1642830), (140, 1525485), (150, 1423786), (156, 1369025), (175, 1220388), (182, 1173450), (195, 1095220), (210, 1016990), (260, 821415), (273, 782300), (300, 711893), (325, 657132), (350, 610194), (364, 586725), (390, 547610), (420, 508495), (455, 469380), (525, 406796), (546, 391150), (650, 328566), (700, 305097), (780, 273805), (910, 234690), (975, 219044), (1050, 203398), (1092, 195575), (1300, 164283), (1365, 156460), (1820, 117345), (1950, 109522), (2100, 101699), (2275, 93876), (2730, 78230), (3900, 54761), (4550, 46938), (5460, 39115), (6825, 31292), (7823, 27300), (9100, 23469), (13650, 15646)]